Material:Natural wood, safe and non-toxic;Colorful, beautiful, elastic, your pets will surely enjoy it. Size:（Approx） 4 Ladders: 31cm. 5 Ladders: 37cm. 6 Ladders: 42cm. 8 Ladders: 56cm. 10 Ladders: 70cm. 12 Ladders: 80cm. Thick:1.5 cm. Intervals between two sticks: 5 cm. Ladder width: 10 cm. Weight:（Approx） 4 Ladders: 70g. 5 Ladders: 85g. 6 Ladders: 99g. 8 Ladders: 135g. 10 Ladders: 165g. 12 Ladders: 205g. Package include: comes with a total of four metal clasps included and pet toy ladder. The product is the right size and can be hanged across a large pet cage. It is perfectly built for free movement of the pets while assuring safety and durability. The ladder is large enough if hanged in a spacious cage and the pets can freely swing from it and enjoy.