Butterfly Timpani Cover by Corps Design (patent pending #1873995)Butterfly Timpani Covers by Corps Design (patent pending #1873995) are designed for extreme durability and repeated institutional use. Made of high quality machine quilted material, the cover includes a rigid head insert with drop sides. Suede protects the timpani head from scratches and the durable inserts protect the head and lugs from impact without sitting on the head itself. The drop skirt splits in half for easy removal and covering. The