NOW Sports 3-in-1 Shaker Bottle holds up to 25 ounces, features a secure screw-on lid, is easy to clean and top rack dishwasher safe. Features an additional compartment on the bottom to store your supplement powder, and extra compartments in the lid to store tablets or vitamins. To use, simply remove the inner strainer, pour powder into shaker, fill with liquid, place inner strainer into shaker, tighten the lid, shake and enjoy!