Come and see our amazing products. Made of food grade silicone.Non toxic and harmless, healthy, environmental protection, and wearproof, drop resistant, high temperature resistance up to 200 degrees, low temperature resistance up to minus 50 degrees.Suitable for cold drinks, tea, coffee and hot beverages. Compact and foldable design for space saving. it will not be deformed in a crowded small bag, it can be hung on the bag of a connective hand rope and portable hook. Easy to clean, it is a good helper for your travel, camping ,outdoor exercise, gym, running,barbecue. Idea gift for the coffee lover,family,friends,classmates,colleagues,travelling companion.Multi color for choice.Cusotmized is available. Pls confirm further with us if any query about packing info, inventory status and time schedule.