Suitable for the 780ml Oasis Stainless Steel Double Wall Insulated Sports Bottle, this replacement features a fast-pour screw cap spout with a leak-proof silicone seal. with screw cap.Fits 780ml Oasis Stainless Steel Double Wall Insulated Sports Bottle.Fast-pour screw cap spout.Leak-proof silicone seal.BPA-free.Handwash recommended.