PLA Glass / Penkeeper This PLA glass has a unique design to adapt to various needs and uses. Unbreakable by definition, it is suitable for adults and children as it does not release any harmful substances into liquids. The particular enveloping curvature allows ergonomic use for the little ones. Suitable in the kitchen for daily use, on vacation for outdoor picnics, as a toothbrush and glass holder in the bathroom, it can also be used as a pen holder. It does not fear falls, but when you decide you no longer need it, you can dispose of it in the compost as if it were food. The glass, being made of natural material, can be washed by hand with hot water, it CANNOT be washed in the dishwasher. Solid, transparent, and 100% compostable