Wean Green's Wean Tubs tempered glass containers are a safe alternative to plastic food containers! This containers shape is great for storing snacks like carrot sticks and pretzels. The leak proof silicone seals ensure a leakproof system. The seals are removable and washable which prevents bacteria build up. The child friendly design allows easy opening. Wean Tubs are freezer, microwave, & dishwasher safe!