Product information: bark wood We put a lot of emphasis on the health of your pet. For this reason, our articles are made of softwoods without resin channels, as resin can be toxic for some animals. The woods we use do not resinate and are also dried thoroughly before processing. The glue we use is also non-toxic for animals. Adjustable stairs for all rodents and small animals Floors give your pet the opportunity to explore his cage from several different heights Staircase is made of untreated wood material Important to offer the animal a chance to grind their teeth Pets can satisfy their natural instinct to gnaw or can play to stay active Good value High quality design