iMBAPrice 500 #000 4x8 KRAFT BUBBLE MAILERS PADDED ENVELOPES 4 x 8 + (free USB Cable) - Total 500 Envelopes High quality #000 4" x 8" Kraft #000 Self-Seal Bubble Mailer, 500 Bag in Master Carton Mailers feature a 3/16" high slip bubble lining, Peel and stick lip for envelope closure Keep your shipping costs down: Each 4" x 8" mailer is only .3 ounces. These 4x8 Kraft padded envelopes are sturdily built with bubble lined wall construction for extra protection during transit. Self sealing enclosure. Simply peal and stick ensuring quick and secure shipping.