Leakproof, sturdy, and light weight are all the shining points of this product. With the specially design of the rims, it is not sharp at all, you can take it everywhere and reuse it many times after cleaning. The liquid pouch is heat and cold resistant, so it allows you to fill in no matter hot or cold beverages. And its using safety is the last thing you should consider for it is made of food grade material and BPA free. Made of food grade material, it is safe and healthy. Three size styles are available for you to choose. It is ideal for sports event, concert, outdoors, etc. Item Name: Liquid Pouch Material: PET Features: Portable, Safe, Reusable Size Details: 100ml Size: 8cm x 13cm+ 3cm/3.15" x 5.12"+ 1.18" (Approx.) 200ml Size: 10cm x 15cm+ 3cm/3.94" x 5.91"+ 1.18" (Approx.) 350ml Size: 13cm x 18cm+ 4cm/5.12" x 7.09"+ 1.57" (Approx.) Notes: Duetothelightandscreensettingdifference,theitem'scolormaybeslightlydifferentfromthepictures. Pleaseallowslightdimensiondifferenceduetodifferentmanualmeasurement. Package Includes: 10 x Liquid Pouch 1 x Funnel (Others Not Included)