U-Haul Furniture Pads in Packaging work great for guinea pig cages & habitats for the fleece bedding system. Make your own fleece flippers! Under $8 for each blanket. Learn how to prep them on this site.
Guinea pig cage that was a TV unit in a former life. A ramp connects the 2 levels and there is a sheltered sleeping area plus lots of storage. The guinea pigs' favourite spot to sit is right in the middle of the ramp. Typical!: