This Hanging Hidey House can be mounted on the side or back of the cage with included installed hardware within minutes! Simply place the house in your desired location and secure with the included washers and wingnuts through the outside of the cage. Try to place it where you can see fluffy action from the back, makes it more fun and interactive! Approx Dimensions are 7" W x 8" H x 9" L (incl ledge) Front ledge is about 3" Hardware; hanger bolts installed, 1 1/4" wing nuts and washers included. All products are handmade right here in New Jersey, USA from kiln-dried pine, professionally smoothed, finished and safe. We do NOT use any metal, nails, screws or staples in the building of our products. We only use non-toxic wood glue and wooden dowels for assembly. 100% Satisfaction Guaranteed! 100% Hand Made! 100% Safe! About Us ChinSurfers started with our two Chins; Winnie and Stormi running around their cage having a blast. Something was missing? Being a family of skilled contractors and woodworkers it clicked! ChinSurfers was born! *Handmade products may have slight differences. *Ask us to create combined listings for you to save on shipping.