Merritt International Rainbow Acrylic Drinkware Gift Set of 4 Teardrop Tumbler Glasses Durable acrylic drinkware with the clarity and transparency of glass Rainbow reflections radiate from the teardrop base of the tumbler Suitable for indoor and outdoor entertaining Shatterproof and BPA free; hand wash only. Note: Tumblers are 14 oz., not 12 oz. as marked on box