Blue water bag set: 2 kinds of capacity, 10L (15.1x16.3 inch/38.5 x 41.5cm, unfolded without water) and 5L (11.81 x 12.99 inch/30 x 33cm, unfolded without water), you can have two sizes in one time, good for you use on different occasions Material: made of clear non-toxic plastic; Food grade - BPA FREE, its very safe and clean Space saving and portable: collapsible and ultra light, you can roll it up for easy storage and carry, water bag can reusable for a long time Easy to use and clean: large screw cap closure with handle for easy carry, wide bottle lip for easy to fill and pour out Wide application: ideal for household, camping, garden, cemetery, vacation, hiking, hunting, travel, outdoor, car, picnic, barbecue, BBQ, etc. Specially designed for kids to bring water Dear customer, Thank you for choosing our products. If there is any problem with our products, please contact us through the order information. We will be happy to serve you and solve it for you as soon as possible within 12 hours, thank you