Made from food grade silicone, these tumblers are dishwasher safe, foldable, unbreakable, light and portable. A great looking and practical tumbler for picnic, beach, bbq and camping. CC loves throwing these in the camper or the beach bag. Presented as a set of two in a gift-box, fegg is a great gift for the picnicing, outdoorsy type. Fegg is reusable, sustainable, made of silicone, comes in set of two as shown, 350ml each, portable, lightweight, odourless, flavourless, dishwasher safe, fda approved food-grade silicone, safe for use from -20 to +110 degrees centigrade, perfect for everyday living, gifting & entertaining.