Made from EU food-grade glass-reinforced polypropylene, the Passage Cup holds 355ml of your favorite drink. The Cool Grip sidewalls allow you to grip the cup firmly, even if the contents are hot (and the silicone sipping lid keeps those contents from spilling when you're on the move). Compact and stackable, the Passage Cup fits into Passage Bowls and Frontier Pots. Features Holds 355ml of your favorite beverage Made of EU food-grade, glass-reinforced polypropylene: easy to clean, microwavable and dishwasher safe Light, stackable and compact - designed to fit into Frontier Pots and Passage Bowls for space-efficient packing Cool-Grip sidewalls allow you to hold the cup securely, no matter how hot the contents are Silicone sipping lid conveniently folds inside the cup to save space Volume scale clearly molded into inside of cup for easy measuring Microwavable and dishwasher-safe Sea to Summit Guarantee is offered for the Lifetime of this product