Designed only for the Silent Runner Pet Exercise Wheel (12 diameter orange) Safe & easy way to keep your pet s nails trimmed Sandy material is attached directly to the running track of the exercise wheel Conveniently hand-washable and reusable Pet nails can grow to be long and sharp which not only can be uncomfortable or even painful to you as an owner it can also cause your pet to frequently get stuck on fabrics like pouches or clothing. Nail trimming using clippers can be difficult and may even cause injury to your pet if done incorrectly. Sandy Trimmer Tracks provide a soft abrasive running surface for your pet while using their exercise wheel. Simply install the sandy track in place of the regular track it takes only a minute and your pet s nails will be naturally filed down as they run. This track is completely safe and will not cause harm or discomfort to your pet if used as instructed. Conveniently hand-washable and reusable. Instructions: Simply install the sandy track in your Silent Runner Pet Exercise Wheel in place of the regular track and your pet s nails will be naturally filed down as they run. Remove the sandy track and replace with the regular track after 2-3 days (or when nails are filed) and repeat as needed. Notice: It may be necessary to initially trim pet s nails with clippers then maintain the nail with use of the sandy track. Maintenance: To clean rinse with warm water and scrub with a rough brush. Do not submerge in water. Dispose and replace when worn or when sandy material begins to peel off the track (a few times per year). Materials: vinyl with 60-grit calcium carbonate