This is a 500ml black and red plastic protein shaker bottle, likely a "Spider" type design.It typically features a main compartment for liquid and often includes additional smaller screw-on containers for storing powder or supplements.The bottle is generally constructed from BPA-free materials and is designed to be leak-proof for workouts.The measuring lines indicate capacity in both milliliters (up to 500ml) and ounces (up to 16oz).