Design: The drop-proof and flexible design of this bottle allows you to take it anywhere with no trouble! The attached aluminium carabiner can be used to attach the bottle to a backpack or sports bag. Water Bottle: Get a 500ml collapsible silicone sports water bottle. Suitable: Bottle can withstand beverages from -50°C - 120°C. Material: Made from durable and BPA-free silicone that can easily be collapsed for travel or storage purposes. Size: Expanded size - 6.5cm x 6.5cm x 23.5cm. Capacity - 500ml. Colours: Choose from Dark Pink, Light Pink, Blue, or Green. | 500ml Collapsible Silicone Water Bottle | Wowcher