NOT DISHWASHER-SAFE - These shaker bottles are strong enough but not dish-washer-friendly. INTERLOCKING FEATURE – The protein storage jars at the bottom come with an interlocking feature, allowing you to use the protein shaker bottle with or without the storage box. TIGHT AND SECURE - The leak-proof seal flip cap secures the screw-on lid and so you can carry the protein blender bottle along wherever you want to by using the carrying handle; ideal for pre, post and during workouts. PROTEIN STORAGE BOX – The protein mixer bottles come with a twist-and-lock protein box/storage compartment with a 200cc capacity provides for easy storage of protein powder, medicine and more. PACK OF 2 LARGE PROTEIN SHAKER BOTTLES - Includes 2 units of 24-ounce / 700 ml capacity shaker bottle, a detachable protein storage jar, and a plastic whisk mixer ball. The ideal sports bottle for instant protein shakes and smoothies..