The CLASSIC FOUNDATION brush is designed with flat, dense bristles to apply liquid and cream color for a smooth and flawless base. EcoTools earth-friendly Brush shows respect for the planet with synthetic bristles that are 100% cruelty-free, and a handle made from bamboo, a highly sustainable plant. Environmentally friendly, chic, high-quality, and affordable. Ecotools uses recycled materials, renewable bamboo and better manufacturing processes.