Collapsible portable water bottle

Collapsible travel cup made from food-grade silicone, BPA free and odorless. Feature with polypropylene lid and heat sleeve, easy to clean. The collapsible cup can be a fantastic to-go coffee cup, portable camping cups, easy-go school cups for children, etc. This is also a wonder reusable cup, environmentally friendly and avoid lots of unnecessary plastic waste.Can be hung on the bag of a connective hand rope and portable hook.Much easier to hold and drink from the stainless steel rim of the cup.Tight fitting the lid prevents any dust and dirt to get close.Can Withstand a temperature range from -40 degree F to 480 degree