Athverv Shakers are BPA and Phthalates free, made of food-grade plastic that keeps your supplements stay clean, safe, and free from bacteria, Athverv shakers bottles are rigorously tested against other shakers to ensure you get the best shaker bottle on the market. The Shaker bottle comes with an integrated stay-open flip cap latch to prevent the cap from closing on your nose. Its rugged, durable, and sturdy design is freezer-safe and dishwasher-safe. Bottle contents and liquids are securely contained by a watertight screw-on leak-proof seal so you don’t have to deal with any leaks or spills.