Thank you for viewing my products (*^^*) This is a handmade lunch bag with a cute polka dot pattern. ☆☆Please check my profile☆☆ ※Size※ Height: 20 cm Width: 27 cm Bottom width: 17 cm Gusset: 10 cm (Please note that there may be slight variationsヽ(´ー｀ )ノ) The outer fabric is oxford cloth. The lining uses aluminum cooling/insulating sheet. It can be washed with water. Do not use a dryer. It's made of sturdy fabric, so I think you can use it for a long time. If you like it, please consider purchasing it♪ ★It will be shipped folded. I make each one carefully, but it is a handmade item by an amateur, so please understand. If you have no questions, you can buy it immediately (*^^*)