#4 9.5" x 14.5" White Kraft Mailing Envelopes Padded Bubble Book Mailers Self Adhesive Bag 100 Pieces Color: White, Recyclable: Yes. Paper Liner: White, Low cost Shipping Protection. Usable Dimensions: 9.5 x 13.5, Outer Size: 10.5 x 13.5 + 1.57. Lip Size: 1.5 +/- , Bubble Lining: 3/16. Adhesive: Synthetic rubber  Hotmelt,  minimum +/- 1/8.