Large 1/2-inch Bubble Cushioning Protective Wrap Roll, 250-foot By 12-inches Wide, 12-inch Perforated Rolls are perforated every 12" for easy tear-off convenience ValueMailers brand is made with industrial grade processes to ensure the bubbles retain air longer Large is ideal for protecting large items and when used as void fill/dunnage Product has bubble size of approximately 1/2" thick and 1-1/4" wide bubbles