HydroSHKR One bottle for all of your needs. The HydroSHKR holds 24 oz and is double walled to reduce sweat and add insulation for your liquids. This shaker bottle comes with a Pro Lid, Tumbler Lid, and Straw. The included SHKR grate allows you to easily mix supplements into your water. The HydroSHKR is cup holder compatible, has a silicone base to protect your surfaces, and is BPA Free. Patent Pending