Light My Fire BPA-Free Waterproof Snap Box for Food Storage - Set of 2 Includes 2, stackable Snap Box's Dishwasher and microwave safe Easy to clean with measuring lines on the inside Tight-fitting, snap-lock lids make the containers waterproof Internal measuring lines at 50 ml, 100 ml, 150 ml Volume: 5.7 oz. (170 ml). Weight: 1.3 oz. (38 g) Extremely durable, floats, and is dishwasher/microwave safe Polypropylene base and lids; BPA-free