Based on this product's specifications, here are some alternatives and similar models
Stemless Red Wine Glass GSI Outdoors 435 ml — Copolyester tumbler, 9.4 cm height/diameter
Summary description:
Stemless red wine glass by GSI Outdoors made from durable copolyester. Tumbler-style design with 435 ml capacity, 9.4 cm height and 9.4 cm bowl diameter. Lightweight, unbreakable alternative to glass for outdoor dining, camping, picnics and everyday use where shatter-resistance and easy packing matter.