BPA-Free & Heavy Duty Build, Strong like no other cheap plastic, no plastic smell and Dishwasher safe except the cap , PP whisk mixer ball, no alloying noise while shaking, Silicon rubber band makes it easy to open with ur wet hands , 3 independent compartments to keep pills, protein, vitamins, nutrition supplements. No Surrender on supply , Leak proof and Spill proof flip cap, all you have to do is giving the cap a hard push , Feel free to contact us if any quality issue and 7 days to get your Money back.