The 16 oz glass is crafted from glass. Excellent for sipping all sorts of beverages, including coffee, beer, cocktails, water, juices, and more. The M/L socks fit men sizes 8-12 and are constructed from 70% cotton, 28% polyester & 2% spandex; fantastic for daily wear. . The glass has a white "Best Grandpa Ever" glossy sentiment on the front center. The socks are assembled with a gray heel, toe & ankle and a light and dark gray striped pattern for a simplistic, timeless look. The socks can be machine-washed with like colors on a cold cycle. Laying them flat to dry is recommended, but they may also be dried on a low setting in the machine. The glassware is handwash only with mild soap. Do not leave soaking in water for extended periods. Dry immediately.