Herolily Advanced Ice is the most cost effective ice replacement product on the market today! Better than other ice pack, ice sheet, ice bag, ice blanket, techni-ice and other ice products! Can be reused hundreds of times! It Stays Colder, Lasts Longer. Herolily Advanced Ice have passed The United States FDA Certification & SGS ISO9002 Certification! It is non-toxic and environmentally safeHerolily Advanced Ice HDR 4-Ply model can be reused hundreds of times! Better than other previous ice pack, ice sheet, ice bag, ice blanket, techni-ice & other ice products! Herolily Advanced Ice not only provide cooling effects but also an effective heat pack for sore muscles and back pain! HY-2PLY-5INX3 : 10.8″ (L) x 4.9″ (W) x 0.1 (H). HY-2PLY-5INX9 : 14.8″ (L) x 10.8″ (W) x 0.1 (H). HY-2PLY-7INX1 : 7.65″ (L) x 4.15″ (W) x 0.1 (H). Camping, hunting, hiking, boating, fishing, drinks, perishables, foods, etc. Using it with cooler box or bag. Hot and cold therapy.