IKEA Ziploc Medium Size, Total 100 Sheets Light Blue 1.2L…… 20.5cm x 20.5cm, 100 sheets Material: Polyethylene plastic Heat resistance: 50℃ Cold resistance: -40℃ I use these for cooking and freezing ^ ^ I will take them out of the box and fold them in 2-3 folds for shipping. Please note that there may be some initial wrinkles or folds when taken out of the box. Please refrain from purchasing if you are sensitive to imperfections or seek perfection. IKEA Ziploc, other sizes are also on sale! Please take a look!