“Push through the pain. Giving up hurts more.” Senpai Designs is dedicated to creating a high-quality product that offers amazing functionality. Take this on your adventures as you grow in strength to go super and surpass your limits. This shaker bottle can be used for all your nutrient needs and power ups. This shaker bottle comes in two colors black, and blue. Fun simple, subtle design to have in the gym. This product is BPA - Free plastic with a screw on lid that has a flip cap. The screw on the lid matches the bottle color. Control your pride and grow in strength when you drink from this shaker bottle. Feel like the prince when you drink from this bottle. “Strength is the Only thing that Matters in this world. Everything else is just a delusion for the Weak”