WTSHOP 2.5L Premium Simple Rubber Hot Water Bag <br> <br>Material : natural rubber <br> <br>Size : 13.4''(34cm) x 8.3''(21cm) <br> <br>Capacity : 2.5 L (2500 ml) <br> <br>Color : random color <br> <br>Package : one 2.5L hot water bottles <br> <br>Notice : because of the natural rubber material,there may be some odor on their first use;we recommend not to touch skin directly after hot water is injected to avoid scalding,use it safely with suitable temperature