Easy-to-use, pink-tinted, Anti-Static Bubble Wrap® Cushioning in rolls or a dispenser box protects your products from the hazards of shipping. Medium-duty Anti-Static Bubble Wrap® Cushioning protects lithium batteries and electrostatic-sensitive devices during short shipping cycles. Economical bubble packing material is up to 30% fuller than other brands. This cushioning supply's air retention barrier is co-extruded with two layers of polyethylene that helps the bubbles retain air longer. Anti-Static Bubble Wrap® Cushioning in rolls has a 5/16" bubble, and the rolls are perforated every 12".