Reusable,collapsible, and leak-proof. Is there anything better? Stojo’s ultra-portablebottles fit into your bag and when needed (a.k.a. snack time hits) expand to hold hot and cold beverages. To save even more room, the bottle can attach to your bag strap. These eco-friendly food-grade siliconebottles are dishwasher and microwavesafe, and fit into standard car cup holders.Dimensions: 3.7″ W x 7.1″ H expanded, 3.3″ H collapsed This item cannot be returned.