These Collapsible Water Bottles Are Nontoxic & Made From Eco-friendly Food Grade Bpa-free Silicon. with a Soft Silicon Body the Bendable Water Bottle is Easy to Folding Up When Empty, Saving a Lot of Space When Carrying It Around. These Functional Sports Bottles Are Supplied with a Leak Proof Lid Complete with an Easy Switch to Lock the Lid Closed. the Clever Carabiner Clip Means They Can be Easily Transported Inside or Outside a Backpack Rucksack, Making Them Ideal for Sporting Activities, Training at the Gym, Camping, Travelling, Biking, Hiking & Lots More. This Useful Promotional Gift has a Great Advertising Area for Company Logos on Either the Silicon Part or the Bottle Lid. Standard Colours: Grey, Blue, Orange, Black. Minimum Quantity: 500.