Based on this product's specifications, here are some alternatives and similar models
Reusable Drinking Cup Papstar Circulware 0.4 L, Polypropylene with 30% Mineral Fillers, Black
Summary description:
Papstar Circulware reusable drinking cup, 0.4 L capacity, made of polypropylene blended with 30% mineral fillers. Designed for repeated use in catering, events and everyday settings, it offers robust construction and consistent performance while reducing single-use waste. Suitable for hot and cold beverages within PP material limits.