Material: Tritan, Food-grade PP, Food-grade Silicon, SUS 316 Stainless Steel(Tea bag filter).
Features:
Safe Tritan, Orderless, BPA Free.
One-touch lid opening, safety lock buckle.
360° Leak proof. 
Easy to wash, cap can be disassembled for deep cleaning, bacteria & germs have nowhere to hide.
316 Stainless Steel Tea bag filter is removable if not in use.
Note: Hand wash only.