This practical Pack-up-Bottle holds up to 23.6 oz. of liquid, collapses into three parts, and is made from BPA-free polypropylene and soft anti-slip TPE. The standard-size bottleneck allows for easy drinking and gives you the possibility to add other functions, such as a water filter. Remove the cap and bottleneck and the Pack-up-Bottle is easy to clean and refill. Cap and bottleneck can be used as an extra cup. The soft loop on the cap makes it comfortable to carry and easy to strap to any backpack. This is the ultimate bottle for the serious adventurer as well as the practical-minded city dweller.Features Collapsible for easy transport- Easy to clean and refill—three separate parts- Suitable for both warm and cold beverages- Standard mouth opening allows optional mouthpieces and water filters- Loop for comfortable carrying or strapping to a backpack- Stain and odor resistant- Measuring lines- Secured cap- Dishwasher and microwave safeSpecifications Materials Bottle TPE; Bottleneck and Cap polypropylene- Dimensions 9.8 x 3.5 Volume 23.6 oz.- Weight 7.1 oz.- Color Black