375 ft 5/16" MEDIUM BUBBLE WRAP 12" wide, perforated every 12", 375 total sq ft Bubble wrap rolls are perforated every 12" for easy tear-off convenience DuraBubble is made with 100% virgin resin (no fillers) to retain air longer 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