Features: Made of food grade plastic material, odorless, healthy and safe. Have 2 sizes for you to choose, 235 ml and 423 ml, can meet your different needs. Plastic flasks are easy to be cleaned with clean water and soap, not easy to broken, can be applied repeatedly, also can be fold for easy storage. Suitable for bringing liquors on cruises, also for bringing beverages, water, wine and more when doing outdoor activities like camping, fishing, going to theater, etc. Specification: Item type: Drinking Pouch Flasks Material: PA/PE Color: Transparent Size: S,16*11+6; M, 21*12+7 Volume: S, 235 ml; M, 423 ml Quantity: 10 pieces Package includes: 10* Flasks Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3cm measuring deviation due to manual measurement.