Designed to work with our Neoprene Conical Fermenter Sleeve. CHILLZ™ ICE SHEETS (4 PACK) The perfect ice substitute...and great way to maintain the temperature of your wort during those hot summer months. These sheets are flexible (when frozen), reusable (over and over) and can be cut to size! Wrap them around your fermenter, bottles or cut them to size and use them with our neoprene fermenter sleeve!   Included (4) Sheets of Ice Wraps (10.5 x 7.5 x 0.5)