Small Bubble Roll Sizes: (Small-Cell = 3/16″) 12″ x 250′ (reg.) 24″ x 250′ (reg.) 24″ x 500′ (perf.) (reg.) 48″x250′ (reg. or perf.) 48″x500′ (reg. or perf.) 72’x500′ (reg. perf.)