Compartment: Fit your money, cards or keys in the nifty compartment. Material: Made using tough and strong BPA-free tritan plastic. Drink bottle: Get a two-in-one drink bottle with storage compartment! Capacity: Can hold up to 750ml of drink in the 26 x 9 x 9cm bottle. Leak-proof: With a leak-proof seal for when you're not using it. Colours: Choose from red, black, grey or green colours. | 2-in-1 Drink Bottle & Storage Compartment - Black | Wowcher