Gaspari smartshake lite it is made from high quality bpa amp dehp free plastic it is essential for any gym goer you can put the smartshake in a micro freezer and dishwasherr it has an anti leak technology and the cap is 100 leak proof the shaker is made with a mesh top at the top of the lid to help break up any clumps in your protein shake this leaves a nice smooth great tasting proteinr the shaker also comes with a carabineer so you can attach it to any keys or you can attach it to