Superior Barrier Bubble® air cellular cushioning offers great protection. Fully laminated, heavyweight Kraft construction delivers outstanding rip- and puncture-resistance. Seamless bottom provides extra strength and stability. Self-adhesive closure produces a secure, peel-and-press seal. This product was made using wood sourced from a certified managed forest. Seam Type: Side; Flap Type: Square; Trade Size: #5; Security Tinted: No.