Denew Tactical Water Bottle Bag (Black) Travel Bag Holder Sports Bag Outdoor Hydration Camping Hiking Fishing BagMaterial: Nylon, a water bottle cage of excellent material. Use: Lightweight and portable, this water bottle cage is a must-have for your outings, camping and hiking trips. Water bottle cage. The pocket itself is sturdy enough to carry 0.5 litres of smart water, has a mesh bottom to prevent water pooling at the bottom and hangs from the main rucksack by two buckles. It can be used to hold a waiter's bottle and is worth carrying. Size: Fits most standard size water bottle cage pouches, (D)/3.55" (9cm); (H)/9.45" (24cm).