MATUFF 50 Pcs Reusable Ice Packs for Coolers (3.7''x4.9'') - Long-Lasting Gel Freezer Packs for Lunch Boxes, Shipping, Camping, Beach & Fishing | Keep Food/Drinks Fresh

MATUFF 50 Pcs Reusable Ice Packs for Coolers (3.7''x4.9'') - Long-Lasting Gel Freezer Packs for Lunch Boxes, Shipping, Camping, Beach & Fishing | Keep Food/Drinks Fresh

• Single Cells Colder Packs - 50 Pcs Shipping ice packs Each measures 3.74‘’ x 4.92‘’, small ice pack sheet will expand to about 2‘’ thick after absorbed water, uniform in size, No need to cut, Perfect to use at School, Office, Work, or Beach, Gym, Picnic, Party, Camping, Fishing, Boating, Hiking.
• Reusable Ice Packs - Soak full ice pack in water about 5-6 minues to expand cells. After absorbing water, Dry the surface wate, Then place in the freezer and freeze 8-12 hours. and freeze to transform into 5cm-thick ice blocks, outperforming traditional water ice, Lasts 4-7 times longer than ice! Ideal for shipping perishables.
• Safe and Leak proof - dry ice packs for coolers featuring a thin PE backing on one side and soft cloth on the other side. The surface stays dry no matter when and where after absorbing water. Freezer packs for coolers. non-toxic, food touchable, BPA FREE and environmentally safe. ⚠ SAFETY NOTE: Contains NON-toxic hydrogel - NOT dry ice (solid CO₂). Zero smoke/sublimation.
• Long Lasting & Flexible - ice packs for shipping It can stay fresher and colder long-lasting up to hours in an insulated container. Fits in any cooler around food & drinks. As lunch bags ice pack, lunch box ice packs, coolers cold packs, ice pack sheets for shipping food. If you need a longer cooling effect, you can put in more ice packs to keep the cold longer.
• Convenient and Easy to Use - Just put dry ice sheets in water for 5 minutes, dry the excess water on the surface, freeze at least 8 hours, then you can use it for transportation of foods and seafood, sensitive perishable items. Please dry off the surface of ice sheet before freezing to prevent from sticking together when frozen. Pay attention to the PE side facing the refrigerator. Do not let the non-woven fabric side be next to he non-woven fabric side.