If you want to change the suction cup, this item will be your best choice. Features: Replacement of suction cups. Powerful vacuum suction cup, eco-friendly, non-toxic, non-slip, durable. Helps to hold the cat’s hammock. Suitable for hammocks and cat perches. Any problem, please contact our store without hesitation. Honor to serve you! Specification: Name: suction cup Main material: PVC Color: transparent Size: 8.5 * 8.5 * 4cm Package information: Package size: 11114cm Package weight: 50g Plastic packaging Package list: 1 * suction cup 1 * socket 1 * sticker