This is a house I made for outdoor cats. Structure: An entrance hole was made in a styrofoam box made from recycled materials. Rain protection: Plastic plates were attached to the sides of the styrofoam board. These will be detached from the main body for shipping. Exterior: Wrapped in vinyl. Interior: Lined with 3mm aluminum sheet. Curtain: Bubble wrap. Bottom board: Styrofoam board. Bedding: I have placed this under a roof, in a location that is not greatly affected by rain and wind, so I do not know the durability under other conditions. The styrofoam box and bedding are recycled. Please understand that there may be scratches and stains, and that this is a personal, amateur creation. Photos: 1st image onwards Front / Right side / Back / Left side / Top / Bottom / Inside / Entrance / Bottom board / Bedding Amateur measurements (cm) Exterior: Width 38 x Height 33 x Depth 43 Interior: Width 34 x Height 28 x Depth 39 Entrance: Width 18 x Height 14 Bottom board: Width 31 x Length 36 x Thickness 2 Bedding: Width 46 x Length 49