Material: Plastic Plastic Type: PE Volume: 600 ml 11oz-21oz collapsible bottle, promotion bottle, sports water bottle, traveling water bottle, Food grade, hot-transfer printing. Specification: 1) 11oz-21oz collapsible bottle, promotion bottle, sports water bottle, traveling water bottle, Food grade, BPA free, Recycling materials, Can be squeezed freely, Easy to carry; 2)We have blue, yellow, green, orange 4 color options, We can also do tailor-made color products. 3) Material: PP for the cap and hard shell & PE for the bottle boy. 4)We designed this bottle for promotion purpose, Can print the logo on it, silk screen printing, logo size:3.8*2.5cm, We can do hot-transfer in this items. Package: PP bag;