The Crushed Tumbler series is a Japanese-made glass that can withstand 1,000 drops without breaking. Compared to ceramic or glass tumblers, it has low thermal conductivity and excellent heat retention. It's dishwasher, microwave, and alcohol disinfectant-safe for easy care. It can be used for a variety of drinks, including coffee, juice, highballs, and beer, and will add a stylish touch to your dining table. With a heat resistance of 100°C, it can also be used to enjoy soup or other beverages like a mug. You can also add ice and enjoy freshly made iced coffee. This glass is a convenient size for everyone, from children to adults. Suitable for both men and women, it makes a great wedding gift, a pair of glasses, or a birthday present. Perfect for Mother's Day or Father's Day. Available in three sizes: a large 400ml, a small 250ml, and a smaller 205ml. It can be used for a variety of occasions, from beer glasses and rocks glasses to drinking glasses, or even as a toothbrush holder or sink. Capacity: 250ml Size: Diameter 8cm x Height 9cm Material: Tritan (a reusable plastic that is as transparent as glass. It is also the same material used in baby bottles.) Microwave safe, but please be aware that there is a risk of deformation, so please read the instructions carefully before use. *Due to the transition period in the instructions, there may be a statement that the product is not microwave-safe, but it can be used in the microwave regardless of what is stated in the instructions.