OOTDProusing Methods: Open the water inlet and add water as desiredCompress the air in the bag, then tighten them slightlyAfter a few minutes, the water and power will melt together and become gelPut the bag in the refrigerator for 4-5 hours until it is completely. Take it out for use. It gradually thaws and returns to the gel. You can then freeze it again in the refrigeratorNote:Normally, the inner gel will not come out, but please do not squeeze or press too hardDo not poke, scratch, or cut the bag with sharp goods. Specification: Capacity: 100ml,200ml,400ml,600ml,1000ml Application: cold, food storage, etc. Material: App.12cmx9.3cm/4.72inx3.66in-100mlSize 2: app.14cmx10cm/5.51inx3.94in-200mlSize 3: app.17cmx12cm/6.69inx4.72in-400mlSize 4: app.22cmx13cm/8.66inx5.12in-600mlSize 5: app.28cmx15cm/11.02inx5.91in-1000mlColor: As picture shownQuantity: 10pcsNote:Transition: 1cm=10mm=0.39inchPlease allow 0-2cm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Included: 10pcs x Ice Bags (Without Retail Package)