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.FEATURES Screw-on cap creates airtight, leak-proof seal Dishwasher safe, comes apart for easy cleaning LFGB Certified silicone bottle BPA-free, polypropylene cap No phthalates, leads, or glues DIMENSIONS Capacity: 20 fl oz (592 ml) Diameter: 3.5" (8.9 cm) Height (expanded): 7.1" (18.1 cm) Height (collapsed): 3.3" (8.3 cm) Total Weight: 6 oz (170g)