The Prevue Naturals Wonder Walk Ladder is handmade from 100% natural, sustainable, materials. Made from environmentally conscious rods strung together on a bendable stainless steel wire, this ladder includes wire hooks to secure directly onto the cage. This activity bridge can be endlessly reshaped to provide necessary foot exercise and engaging physical play for small birds, gerbils, hamsters, and mice.Handmade and created from 100% natural, eco-friendly, sustainably-harvested materialsIdeal for small animals and birdsProvides exercise and enrichmentSmall is approximately 2 1/2" W and 15" L, large is approximately 3 3/4" W and 26 1/2" LEasily attaches to most cagesNote: This toy is handmade and actual measurements may vary slightly