BPA FREE FDA COMPLIANT MATERIALS 700ml25oz Tritan Bottle neck drinking tube and check valve all made from FDA compliant BPAfree plastics FLEXIBLE AND ADJUSTABLE Features a 30 inch 76 cm flexible modular plastic hose and drinking tube The neck is fully and repeatedly adjustable and will stay in place without springing back INTERCHANGEABLE AND REPLACEABLE PARTS Each component is easily replaceable for hygiene and interchangeable for customization REMOVABLE CHECK VALVE The check valve prevents liquid from flowing back into the bottle For those with limited lung function keeping liquid primed and attheready makes staying hydrated a breeze BOTTLE HOLDER SOLD SEPARATELY Does not include bottle holder the Giraffe Bottle Aluminum Bottle Holder which attaches to wheelchairs desks and more is available separately or as part of a different kit