The Nalgene Tranz is part of the Everyday line of bottles that feature durable and taste/odor resistant Eastman Tritan copolyester. This dishwasher safe material is BPA free and remarkable in every way.
Please Note: This Nalgene is dishwasher safe, but meant to be washed on the top rack only. If the cap touches the dishwasher's heating element it will melt.