375 ft 5/16" MEDIUM BUBBLE WRAP 12" wide, biodegradable, perforated every 12", 375 total sq ft Bubble wrap can be recycled as plastic for the first 12-18 months, or it will biodegrade in 18-24 months if discarded into a land fill. DuraBubble is made with 100% virgin resin (no fillers) to retain air longer. Bubble wrap rolls are perforated every 12" for easy tear-off convenience. Medium bubble wrap is ideal for protecting heavier, less fragile items. Product has bubble size of approximately 5/16" thick and 1" wide bubbles. Ships via UPS ground service as 2 rolls of 188 feet in a single package.