• Made of high-quality zinc alloy, resistant to rust and corrosion. • Strong and durable material with a smooth surface that does not deform or fade. • Efficient spring mechanism for easy opening and closing. • The set includes 10 small carabiners and 10 key rings. • Dimensions: 3 cm diameter key ring and 4.7 cm long carabiner. • Lightweight and easy-to-carry design for car keys, backpacks, and crafts.