Self Adhesive #2 Kraft Bubble Mailers Shipping Padded Envelopes Mailer 8.5" x 12" 200 Pieces Color: Gold/Yellow, Recyclable: Yes. Paper Liner: White, Low cost Shipping Protection. Lip Size: 1.5 +/- , Bubble Lining: 3/16. Usable Dimensions: 8.5" x 11, Outer Size: 9.5" x 11" + 1.57". Adhesive: Synthetic rubber  Hotmelt,  minimum +/- 1/8.