Two-piece lid.
Unscrew the top part of the lid to drink
Remove the bottom part to add ice cubes.
Body Material: TRITAN 
Leak-proof
BPA free
FDA Food Safe Certified
 
Unscrew the top part of the lid to drink and remove the bottom part to clean the drinking bottle or to add mint leaves, lemon slices or ice cubes.
Universal Lid
Top rack dishwasher safe