Sea to Summit X Pot Set (5-Piece)Food grade, BPA free silicone Lightweight and durable 3 series, hard anodized aluminum base Food grade, heat resistant silicone walls Translucent lid gives visibility to what's cooking and has a handy built in strainer Two ribbed silicone handles lock onto the lid to secure the X Pot during transport Two X Mugs and two X Bowls will nest inside the X Pot Large to create a compact cook set