Thermafreeze~15 Sheet 2 Size Variety Pack~reusable Flexible ICE Sheets 6x4 & 4x3cell Sheets Variety PACK CONTENTS: Five: 6cell x 4cell Sheets TEN: 4cell x 3cell Sheets LASTS LONGER: stay cold longer than ice, up to several hours longer WRAPS AROUND FOODS: can bend and "wrap" around food or drinks while frozen for extra cooling power NO MELTING MESS: with no melting mess like ice there is nothing to clean up after use Can be cut to size. Reuseable