#2 8.5x12" POLY BUBBLE MAILERS PADDED ENVELOPES, 300 Qty From The Boxery 300 Bubble Mailers Included. Exterior Dimensions 8.5x12'' / Interior Dimensions 8.25x11'' Seal-Seal for easy closure and PACzip Tear Strip for easy opening - Made in USA Polyethylene exterior film laminated to an interior 7/64'' bubble height Clean aesthetic appearance Ships same day via UPS ground from NY