383 Size: 8.5" Features: -Ladder. -Available in several sizes. -Material: Natural wood ladder is a fundamental and easy-to-use addition to your cage that allows your feathered friend to stretch. -Fundamental and easy-to-use addition to your cage that allows feathered friend to stretch. -From a complete line of products designed to meet the everyday needs of birds and their humans. Specifications: -6" Dimensions: 0.3" H x 2.8" W x 5.9" D. -8.5" Dimensions: 0.3" H x 2.8" W x 8.5" D. -12" Dimensions: 0.3" H x 2.7" W x 12" D. -14.5" Dimensions: 0.4" H x 2.7" W x 14.5" D. -17" Dimensions: 0.4" H x 2.8" W x 17.3" D.