Dishwasher safe! No BPA! 100% leakproof. Body made of Tritan plastic - urable plastic material, which is extremely durable with high impact resistance. Will not stain or retain odors. With comfortable handle for holding and carrying. With Snapclean lid system - for easier cleaning. With 3 lid position system: *always open - to drink from bottle like from the cup *push - push button everytime You want to take a sip *locked - leakproof position for people on the go.