High-Quality Construction: Our 20-pack kitten coil springs are made from durable, non-toxic plastic with a 2.4 mm thickness, ensuring they withstand vigorous play while keeping your cats safe. Stimulates Natural Instincts: The erratic movements and bouncing action of these springs engage your cat's hunting instincts, promoting active play and reducing boredom. Interactive Bonding Experience: Tossing these toys encourages you and your cat to play together, enhancing your bond while providing essential exercise and mental stimulation. Elastic and Lightweight: Designed for maximum fun, these lightweight springs are easy for cats to bat around, and their stretchy design ensures they bounce back for endless entertainment. Value Pack for Endless Fun: With 20 springs included, you'll have plenty of toys to keep your cat engaged, making it an affordable and long-lasting addition to their playtime routine. Cat Spring Toys 20 Packs