4×8 Kraft Paper Bubble Padded Envelopes Mailers Shipping Case 4″x8″ (Internal size 4 x 7) – Recycled paper and 30% recycled plastic.About this itemKraft Bubble MailersBubble LinedSelf-SealPadded-#000 4×8 Self-seal Kraft Bubble Envelopes- guarantees a secure seal every time -Pressure sensitive self seal – Secure closure, tamper-evident, eases in packaging -Light Weight & Time Saving – Lower shipping costs combined with faster shipment preparation equal big saving over other packaging options -100% Recyclable -Quantity is 250 We over bought, so we are selling our excess inventory.