Description-#000 5×8 Self-seal Kraft Bubble Envelopes- guarantees a secure seal every time. Exterior size: 5 x 8.5″, interior size 4.25 x 7″-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 500