PerfectShaker bottles are, in a word, “perfect” for your exercise routine. It’s 100% leak free, letting you make smooth and delicious mixes without having to worry. It’s BPA-free, easy to clean, and dishwasher safe, with an extra strong bottle design and decorated with UV ExtraLast Ink.With the PerfectShaker, you can mix, pour, and store liquids, all in the same container. It’s lightweight and portable, able to fit in most drink holders. PerfectShakers are easy to use, easy to clean, and dishwasher safe. The leak-free screw on lid without a rubber seal, the stay-open flip cap, and the extra wide mouth makes it excellent for your next workout!