PerfectShaker Star Wars Shaker Cups! World's 1st Superhero Shaker Bottle. Now you can rehydrate and fuel like your favourite heroes. What makes a PerfectShaker so Perfect? Smooth & Delicious Mixes Everytime. 100% Leak-Free Guaranteed. BPA-Free. Easy to Clean & Dishwasher Safe. Extra strong bottle design. UV ExtraLast Ink. Let's face it there are a lot of shakers on the market. Why spend your hard earned money on a PerfectShaker? Stay-open flip cap. Extra wide mouth. Screw on lid, without rubber seal and leak free! Easy to use, easy to clean, dishwasher safe. Light weight and portable. Fits in most drink holders. Mix, pour, store all in the same container.