Material: These colorful spring cat toys are made of BPA-free plastic, safer for cats and kittens, lightweight, durable and safe to chew. Size: length 4.5cm, thickness 0.22cm, diameter 2.5cm Vibrant Colors: There are 4 cat spring toys in each set, including 1 green, 1 yellow, 1 blue and 1 red spring cat toys. Let your cat have fun with the colorful spring cat toys. PROMOTE AGILITY AND EXERCISE: An interactive cat toy to enrich our kitty coil spring random hops, making them chase, flap and run around. Interactive Cat Toys: These cat coil springs are a great way to create a strong bond with your pet and keep them active, which is good for both mental and physical health. Shipping Quantity: 4 pieces Package Contents: Only the above package content, other products are not included. Size: 2.5*4.5cm (Reminder: The size is measured manually, please allow 1-2cm measurement error) Color: multicolor (Due to different monitors and lighting effects, the actual color of the product may be slightly different from the picture color.) Products from LUOLV's store