This shape-shifting wonder holds a whopping 20 oz of liquid when full and collapses into a polite sphere when empty Save even more space by attaching it to your bag strap and show off how efficient you are Its your new water bottle without the bulk Collapses into a polite sphere when empty Screw-on cap creates airtight leak-proof seal Save even more space by attaching it to your bag strap Dishwasher safe comes apart for easy cleaning LFGB Certified silicone bottle BPA-free polypropylene cap No phthalates leads or glues