This duo sharpener can sharpen your pencils and crayons like a pro. Use it to sharpen all Ere Perez lip and eye pencils/crayons. Featuring 5-star carbon steel blades and made from biodegradable corn resin, this sharpener is a high-quality eco-friendly version of a beauty bag classic that will keep your liners and color crayons in perfect pointy condition. Made from corn resin, a sustainable alternative to plastic, making it both biodegradable and recyclable. What more could you wish for in a sharpener?