The Nike Men’s Big Mouth 2.0 Sports Fitness Water Bottle is made with 73% low density polyethylene 23% polypropylene 4% silicon. Its BPA-free plastic construction is super durable and healthier than other plastic build. The bottle features squeezable design with push-pull spout for easy drinking. Not just easy to use but it is also easy to wash in a dishwasher. Wash it before use., Squeezable design with push-pull spout for easy drinking., BPA free and dishwasher safe., Wash before use.