Silicon Pint Glasses. for Thirsty Folks, Our 16-ounce Silicon Pints Are a Rugged Yet Lightweight Alternative to Ordinary Water Drink Cup & Beer Glasses. These Colorful, Versatile, & Unbreakable Drink Glasses Are as Flexible in Shape as They Are in Utility. Fun & Versatile. Our Unbreakable Cup Are Thick & Sturdy with Easy-to-grip Outer Surfaces & Nonslip Bottoms for Extra Safety. 100% Safe Food-grade Silicon. Silipint Products Are Safe & Built to Last! Theyre Made of 100% Food-grade, Platinum-cured Silicon That is Free of Bps, Odors, & Phthalates.