1.304 stainless steel 2.FDA,BPA Free, SGS,CE 3.Non-toxic,dishwasher friendly 4.silk prink/ ... mm)BPA-free polypropylene (pp#5)Silicone spout and relief valveSport Cap is NOT leakproof Durable, long-life materialPrivate, family-owned businessSteel ... )Lifetime warrantyProduct view:Factory View: wholesale USA popular style BPA FREE 18/8 stainless steel kids bottle ,350ml stainless steel feeding ...