This 20-ounce water bottle features a foldable design, with a thickness of 4.5 inches when collapsed and 6.3 inches when fully expanded. It is equipped with leak-proof and shock-resistant capabilities. Made from 100% food-grade silicone, it is entirely plastic-free, ensuring safety, and is free from any taste or odor. The bottle comes with a premium-quality cap, designed with a wide and smooth mouth opening for easy use. The cap is hand-washable. It is the ideal partner for your outdoor adventures and hiking trips.