Renewable & Compostable Plant Fiber 6in Hamburger Box is an alternative to traditional laminated paper hamburger boxes. Without PP or PE film laminated on the box, it is totally made from natural materials, which can be composted under natural conditions within 90 days. · Made from high-quality bagasse and bamboo pulp, which can be biodegraded under natural conditions within 90 days. · Meet the standards for food contact materials in Europe and America; without fluorescent materials; safe material which can contact with food directly · Food-grade waterproof and oil-proof agents. No leakage, safe and reliable. · Microwave and refrigerator safe, non-poisonous and odor-free. · Customized service for printing patterns with eco-friendly ink according to clients' needs