Brand new and high quality Material: PET non-woven fabric and dry gel Color: white Quantity: 10pcs Size:18.5*8CM Description: 1. Open the water inlet,and add water according to the 80--150ML 2. To discharged air within the ice pack,seal the water inlet. 3. After a few minutes,the material in the ice pack and water react into a jelly-like Gel mixture. 4. Put the prepared ice pack into the Refrigerator freezer for 8-10hours.Then into a ice cube. 5. The cooling effect lasts 10-24 hours. 6. Just inject water one time,and it can be used repeatedly.When it's thawed completely,it will be restored jelly-like mixture. Re-use it by freezing it. The shelf life is 2 years. PLEASE NOTE: 1.Don't put it together with hot items. 2.Avoid squeezing or touch sharp objects. 3.It's not edible. 4.Throw damaged ice pack,and put far away from kids. Notice: 1. The real color of the item may be slightly different from the pictures shown on the website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. Thank for your understanding. 3. 1cm=0.39''. Package Included: 10x Dry Ice Packs