Skip to main content Skip to footer
Helping your business win

Unlock $20 Off & Exclusive Deals! Redeem Now

Chat| 1-800-982-3400
Fanatical customer service since 1956
Coupons & Rewards Hot Deals Buy Again
Save 5% with Rewards+
Track an order
Shared cart
Reward not redeemed
You dont have enough points to redeem this reward.
Favorite list
Alternative Items
9-3/4 X 12 1/4, Self-Seal Flat Mailers, White, 25/Case (RM5SS25P)
9-3/4" X 12 1/4", Self-Seal Flat Mailers, White, 25/Case (RM5SS25P)
$34.79
Per carton
Add to cart
Earn 34 points
Description
Specifications
Accessories
Reviews
  1. Home
  3. Shipping, Packing & Mailing Supplies
  5. Mailing Supplies
  7. Mailers
  9. Fiberboard Mailers

9-3/4" X 12 1/4", Self-Seal Flat Mailers, White, 25/Case (RM5SS25P)

Order 9-3/4" X 12 1/4", Self-Seal Flat Mailers, White, 25/Case (RM5SS25P) today at Quill.com and get fast shipping. Stack coupons to get free gifts & extra discounts!
Item #: 901-578451
Model #: RM5SS25PK
Brand: SI Products
(2 reviews)
Item #: 901-578451
9-3/4" X 12 1/4", Self-Seal Flat Mailers, White, 25/Case (RM5SS25P)
9-3/4 X 12 1/4, Self-Seal Flat Mailers, White, 25/Case (RM5SS25P)
$34.79
Per carton
1 CARTON = 25 EACH
Upgrade to get 5% off, earn points 10% faster and more. Annual fee of $49.99.
9-3/4" X 12 1/4", Self-Seal Flat Mailers, White, 25/Case (RM5SS25P)
Add to cart
Earn 34 points
Free delivery
Ship to: 60069
Submit
Free delivery
Tue, May 6 - Wed, May 7
Free returns
Add to list
Request bulk pricing

Frequently bought together

9-3/4" X 12 1/4", Self-Seal Flat Mailers, White, 25/Case (RM5SS25P) 9-3/4" X 12 1/4", Self-Seal Flat Mailers, White, 25/Case (RM5SS25P)
This item 9-3/4" X 12 1/4", Self-Seal Flat Mailers, White, 25/Case (RM5SS25P)
Item #: 901-578451
(2)
$34.79
Per carton

$34.79

Add to cart
+
8 x 4 x 2" Corrugated Mailer, White, 50/Pack (BSM842) 8 x 4 x 2" Corrugated Mailer, White, 50/Pack (BSM842)
8 x 4 x 2" Corrugated Mailer, White, 50/Pack (BSM842)
Item #: 901-24406615
(2)
$38.79
Per pack

$38.79

Add to cart
+
SI Products Corrugated Mailers, 6" x 4" x 2", White, 50/Bundle (M642) SI Products Corrugated Mailers, 6" x 4" x 2", White, 50/Bundle (M642)
SI Products Corrugated Mailers, 6" x 4" x 2", White, 50/Bundle (M642)
Item #: 901-558941
(8)
$28.59
Per bundle

$28.59

Add to cart
Total $102.17
Add all to cart

Customers also viewed

Literature Mailers, 9 x 9 x 2, White, 50/Bundle (ML992)Literature Mailers, 9 x 9 x 2, White, 50/Bundle (ML992)
Literature Mailers, 9" x 9" x 2", White, 50/Bundle (ML992)
Item #: 901-947503BOX
$82.79
1-24 bundle
Save 7%
$76.99
25+ bundle
Add
Earn 82 points
11 1/8 x 8 3/4 x 6, Literature Mailers, Kraft, 50/Bundle (M1186K)11 1/8 x 8 3/4 x 6, Literature Mailers, Kraft, 50/Bundle (M1186K)
11 1/8" x 8 3/4" x 6", Literature Mailers, Kraft, 50/Bundle (M1186K)
Item #: 901-947420BOX
(1)
$154.39
Per bundle
Add
Earn 154 points
6 1/2 x 3 1/4 x 1 1/4 Corrugated Mailers, 50/Bundle (MRx 1x L)6 1/2 x 3 1/4 x 1 1/4 Corrugated Mailers, 50/Bundle (MRx 1x L)
6 1/2" x 3 1/4" x 1 1/4" Corrugated Mailers, 50/Bundle (MRx 1x L)
Item #: 901-558914
(1)
$26.59
Per bundle
Add
Earn 26 points
3 x 3 x 3 Corrugated Mailers, 50/Bundle (M333)3 x 3 x 3 Corrugated Mailers, 50/Bundle (M333)
3" x 3" x 3" Corrugated Mailers, 50/Bundle (M333)
Item #: 901-558898
$26.59
Per bundle
Add
Earn 26 points
5 x 7 Staples Chipboard Pad, 1125/Case (CP57)5 x 7 Staples Chipboard Pad, 1125/Case (CP57)
5" x 7" Staples Chipboard Pad, 1125/Case (CP57)
Item #: 901-948674BOX
(2)
$64.99
Per carton
Add
Earn 64 points
SI Products Chipboard Pad, 8.5 x 11, Kraft, 750/Carton (BSCPHD8511)
SI Products Chipboard Pad, 8.5" x 11", Kraft, 750/Carton (BSCPHD8511)
Item #: 901-948237BOX
(2)
$148.19
1-9 carton
Save 8%
$135.99
10+ carton
Add
Earn 148 points
Partners Brand Literature Mailers, 11 1/8 x 8 3/4 x 2 5/16, Kraft, 50/Bundle (M1182DK)Partners Brand Literature Mailers, 11 1/8 x 8 3/4 x 2 5/16, Kraft, 50/Bundle (M1182DK)
Partners Brand Literature Mailers, 11 1/8" x 8 3/4" x 2 5/16", Kraft, 50/Bundle (M1182DK)
Item #: 901-947417BOX
(5)
$89.99
Per bundle
Add
Earn 89 points
Corrugated Mailers, 9 x 3 x 2, White, 50/Bundle (M932)Corrugated Mailers, 9 x 3 x 2, White, 50/Bundle (M932)
Corrugated Mailers, 9" x 3" x 2", White, 50/Bundle (M932)
Item #: 901-947461BOX
$61.29
Per bundle
Add
Earn 61 points
4 x 3 x 2 Corrugated Mailers, 50/Bundle (M432)4 x 3 x 2 Corrugated Mailers, 50/Bundle (M432)
4" x 3" x 2" Corrugated Mailers, 50/Bundle (M432)
Item #: 901-558901
$25.49
Per bundle
Add
Earn 25 points
4 3/8 x 4 3/8 x 2 Corrugated Mailers, 50/Bundle (MLR1)4 3/8 x 4 3/8 x 2 Corrugated Mailers, 50/Bundle (MLR1)
4 3/8" x 4 3/8" x 2" Corrugated Mailers, 50/Bundle (MLR1)
Item #: 901-558906
$31.69
Per bundle
Add
Earn 31 points
StayFlat Mailers, 9 x 11-1/2, White, 100/Case (ENVRM2PSWSS)
StayFlat Mailers, 9" x 11-1/2", White, 100/Case (ENVRM2PSWSS)
Item #: 901-424862Q
$62.99
Per carton
Add
Earn 62 points
StayFlat White Mailers, 9 x 11-1/2, 100/Case
StayFlat White Mailers, 9" x 11-1/2", 100/Case
Item #: 901-424850Q
(3)
$68.49
Per carton
Add
Earn 68 points
Corrugated Mailers, 6 x 5 x 2, White, 50/Bundle (M652)Corrugated Mailers, 6 x 5 x 2, White, 50/Bundle (M652)
Corrugated Mailers, 6" x 5" x 2", White, 50/Bundle (M652)
Item #: 901-947440BOX
(2)
$59.29
Per bundle
Add
Earn 59 points
Literature Mailers, 9 x 6 1/2 x 1 3/4, Kraft, 50/Bundle (ML961K)Literature Mailers, 9 x 6 1/2 x 1 3/4, Kraft, 50/Bundle (ML961K)
Literature Mailers, 9" x 6 1/2" x 1 3/4", Kraft, 50/Bundle (ML961K)
Item #: 901-947501BOX
(2)
$57.19
Per bundle
Add
Earn 57 points
6 x 2 1/2 x 2 3/8 Corrugated Mailers, 50/Bundle (M1244)6 x 2 1/2 x 2 3/8 Corrugated Mailers, 50/Bundle (M1244)
6" x 2 1/2" x 2 3/8" Corrugated Mailers, 50/Bundle (M1244)
Item #: 901-559026
$23.59
Per bundle
Add
Earn 23 points
7 1/2 x 3 1/2 x 3 1/4 Corrugated Mailers, 50/Bundle (MIBM5C)7 1/2 x 3 1/2 x 3 1/4 Corrugated Mailers, 50/Bundle (MIBM5C)
7 1/2" x 3 1/2" x 3 1/4" Corrugated Mailers, 50/Bundle (MIBM5C)
Item #: 901-558946
(1)
$42.89
Per bundle
Add
Earn 42 points
StayFlat Kraft Mailers, 9 x 11-1/2, 100/Case
StayFlat Kraft Mailers, 9" x 11-1/2", 100/Case
Item #: 901-424832Q
$103.29
Per carton
Add
Earn 103 points
StayFlat White Mailers, 11 x 13-1/2, 100/Case
StayFlat White Mailers, 11" x 13-1/2", 100/Case
Item #: 901-424852Q
(1)
$71.49
Per carton
Add
Earn 71 points
Corrugated Mailers, 8 x 6 x 3, White, 50/Bundle (M863)Corrugated Mailers, 8 x 6 x 3, White, 50/Bundle (M863)
Corrugated Mailers, 8" x 6" x 3", White, 50/Bundle (M863)
Item #: 901-831808
$94.09
Per bundle
Add
Earn 94 points
7 x 5 x 5 Corrugated Mailers, 50/Bundle (M755)7 x 5 x 5 Corrugated Mailers, 50/Bundle (M755)
7" x 5" x 5" Corrugated Mailers, 50/Bundle (M755)
Item #: 901-831813Q
(2)
$66.49
Per bundle
Add
Earn 66 points
Description
Specifications
Accessories
Reviews
  • Overall Mailer Dimensions: 9 3/4"W x 12 1/4"L
  • Self-seal adhesive strip seals mailer securely and provides a tamper-evident closure
  • Lightweight mailers reduces postage costs
  • 25/Carton
  • Attractive white mailers provide a clean and professional appearance
  • Lightweight mailers reduces postage costs
Brand
SI Products
Color Family
White
Length in Inches
9.75
Mailer Closure
Self-Sealing
Mailer Length
5"-9"
Mailer Pack Size
11 to 50 Per Pack
Mailer Type
Fiberboard
Mailer Width
5"-9"
Material of Item
Paperboard
Pack Qty
25
Tear Strip
with Tear Strip
True Color
White
Width in Inches
12.25
Scotch Heavy Duty Packing Tape with Dispenser, 1.88 x 22.2 yds., Clear (142)Scotch Heavy Duty Packing Tape with Dispenser, 1.88 x 22.2 yds., Clear (142)
Scotch Heavy Duty Packing Tape with Dispenser, 1.88" x 22.2 yds., Clear (142)
Item #: 901-142Q
(2055)
$6.09
Per each
Add
Earn 6 points
Scotch Box Lock 1.88 Packing Tape Dispenser, Clear, 6/Pack (1956)Scotch Box Lock 1.88 Packing Tape Dispenser, Clear, 6/Pack (1956)
Scotch Box Lock 1.88" Packing Tape Dispenser, Clear, 6/Pack (1956)
Item #: 901-24461303
(10)
$31.69
Per pack
Add
Earn 31 points
Scotch™ Cushion Lock™ Expanding Protective Wrap, Tan, 12 in x 30 ft (PCW-1230)Scotch™ Cushion Lock™ Expanding Protective Wrap, Tan, 12 in x 30 ft (PCW-1230)
Scotch™ Cushion Lock™ Expanding Protective Wrap, Tan, 12 in x 30 ft (PCW-1230)
Item #: 901-24503159
(10)
$6.89
Per each
Add
Earn 6 points
Quill Brand® 5/16 Bubble Roll, 12x30, Each (27176-US/CC)
Quill Brand® 5/16" Bubble Roll, 12"x30', Each (27176-US/CC)
Item #: 901-835124STP
(629)
$11.19
Per each
Add
Earn 11 points
Quill logo

Helping your business win

Get supplies, get rewards

Earn one point for every dollar spent, with so many ways to use them.

Your order has arrived

Fast, free shipping on orders $25 or more. Returns are easy, too.

Savings on savings on savings

Stack promotions, coupons, & rewards, stretching your dollars.

We love phone calls

Our award-winning customer service is here to help anytime.
Just call 1-800-982-34001-800-982-3400

Your feedback helps us serve you better

Share Your Thoughts With Us on

Quill help center

Call us 1-800-982-3400

New to Quill? Would you like to learn more about how we can help your business?

Start a chat.
Email us.
Looking for coupons?
You will be redirected to travel.quill.com in a new tab. Hit Okay to continue.
Okay
Go to Cart
Subtotal: ( items / rewards):
Rewards balance:
Rewards & coupons center
Loading your cart
Quick view
Shared Cart Details
Please review this product
Upgrade to Rewards+
$49.99/year
Member benefits
Free shipping-no minimum
As a member, you never have to worry about hitting an order minimum
View policy
5% off everyday low prices
Sales not included
Plus, save an additional 5% off our best 10-ream paper price
Earn 10% more points for every $1 spent
Exclusive Rewards+ offers
Site-wide price match
View policy
Receive 30 extra days to use your points
Disclaimer
Offers and discounts exclude HP,Samsung and Epson. We offer a worry-free enrollment guarantee - if you are not satisfied with your Rewards+ membership, you can cancel at any time for a prorated refund. By enrolling into the Reward+ program, you are agreeing to the Terms and Conditions.
See full membership details