Each hair brush is made of individually cut acetate pieces. Featuring the iconic original lucky cat design, hand-painted by our solar eclipse artists. our 2-in-1 perfect daily brush is designed for all hair types + textures. featuring two types of bristles, it can be safely used on wet + dry hair. the vegan boar-like bristles are designed to stimulate natural hair growth + evenly distribute natural oils + smooth your hair. the detangling bristles are designed to gently stimulate and massage your scalp + gently detangle wet hair. These brushes are made of cellulose acetate, an eco-friendly, biodegradable material made from recycled wood pulp.