Bamboo Cups 90mmNatural bamboo paper cups with a compostable lining, designed for hot beverages and everyday service. Available in 6, 8, 10, 12, and 16 oz. Compatible 90mm lids sold separately. Why Choose Bamboo? Bamboo is a fast growing renewable resource that regenerates naturally and requires less water and agricultural inputs than traditional tree pulp, making it a sustainable alternative for paper products.