Bare Eco-Forward cups offer superior rigidity for your cold beverage needs. They are made with at least 64% renewable resources and are compostable in a commercial compost facility which may not exist in your community. Bare Eco-Forward cups are not suitable for backyard composting. Because Bare Eco-Forward cups are wax coated, they are particularly suitable for cold or frozen beverages. They can withstand temperatures as low as 32° F and as high as 205° F.