Size: S: 14.5*15cm ; M: 34*30cm ; L: 38*37cm  (Note: There is a hole in the middle and large size, there is no hole in the middle of the small size)Weight: S: 18g ; M: 57g ; L: 68g Package Includes: 1 piece of pets cage The product will be upgraded constantly, the appearance and color may be changed, please don't mind. And take a consideration before place the order if you have request for color or appearance.