UNBREAKABLE & INDESTRUCTIBLE: Hit them by a hammer and they will not break If durability is a concern, Mamaco Home glass set is the way to go. They can withstand plenty of abuse without breaking or scratching. Perfectly designed for Restaurants, Hotels, Self-service areas, Parties, Daily home use, Formal entertaining, Patios, Poolside, Picnic, beach vacations & more. KIDS & SENIORS SAFE & STURDY: Stress-free since you won’t have to worry about these plastic glasses breaking if they’re dropped. Made of 5* Hotel Quality, Polycarbonate material is a safer alternative to glass. ELEGANT GIFT SET FOR ANY HOME: Premium drinking glasses set is an ideal gift for teenagers & adults | Perfect for Christmas, birthday, wedding party, baby shower, Valentine's day, anniversary, Father's day, Mother's day, housewarming, new years, college graduation, St. Patrick's day, Congratulations, job Promotion, stocking stuffers & more. DISHWASHER & MICROWAVE SAFE: Estimated life span is 4000 times when cleaned in dishwasher machine Top rack only. No cloudiness Suitable for use in deepfreezers, refrigerators, or microwaves. (Between -40 °F and 248 °F) |Stackable - easy to squeeze more into a small space. ECO-FRIENDLY & BPA-Free. With plastic tumblers, chemicals are always a concern. Mamaco Home Tumblers are BPA free. New generation of reusable plastic drinking cups will not discolor, retain smells, or leach chemicals into your drinks.