Measurement:- Length: 27cm Height：18cm Bottom width：20cm Bottom thickness：12cm Materials： External: silk fabric Internal: polyester Middle layer: cotton Weight: 130g FREE NORMAL MAIL AT YOUR OWN RISK. Note to buyers before purchasing this bag:- A flaw in an otherwise perfect thing is that the polka dots on the surface of the bags are a little bit sticky. Once you have started to use it/air it, the stickiness will reduce day by day. Please do not buy if you are unable to accept. Thank you! *Goods sold are strictly non-exchangeable nor refundable.