Features: brand new and high quality SIZE: Small about 7.87x7.09x6.30inch; Medium about 9.05x7.87x6.69inch; L about 11.42x9.05x8.27inch. DESIGN: Bright color will attract your birds attention and interest. MATERIAL: Soft and comfortable plush creates a warm nest in any cage. CONVENIENT: The bottom plate and metal hooks of the nest are detachable for easy storage. Also easy to carry when you travels. Come with a removable cotton pad for easy cleaning. EASY TO INSTALL: The top of this hanging caves with 2 hooks, which are convenient for hanging on the cage. It also can be put onto the floor or fix out of the cage. The pacakge includes accessories needed to fix the nest. Specifications: Material: Flannel Cloth Color: Navy-Blue/Blue/Yellow Size (Approx.): S-20x18x16cm/7.87x7.09x6.30in, Entrance Diameter 7cm/2.75in M-23x20x17cm/9.05x7.87x6.69in, Entrance Diameter 9cm/3.54in L-29x23x21cm/11.42x9.05x8.27in, Entrance Diameter 11cm/4.33in Weight (Approx.): S-260g M-335g L-460g Package Includes: 1 Piece Warm Bird Nest House (Navy-Blue/Blue/Yellow, Small/Medium/L) note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!