Sandy Trimmer Strips can be applied to any solid surface and act as a nail trimming tool for small animals. Your pet will automatically trim their own nails while running on their exercise wheel! Natural mineral abrasive strips are safe to use and apply directly to any solid surface exercise wheel or other cage accessory.Includes: Eight (8) Sandy Strips per packageSmall size measures: 3" x 1"Large size measures: 4" x 2"Apply to any exercise wheel or cage accessoryFlexible shape conforms to uneven surfacesEasy-peel off and replace when necessaryPet nails can grow to be long and sharp. Not only can this be painful to owners during handling, 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 Strips provide a soft, abrasive surface for your pet while using their exercise wheel or other cage accessories. Simply install the adhesive strips onto the wheel and your pet's nails will be naturally filed down as they run. These strips are completely safe and will not cause harm or discomfort to your pet. It may be necessary to initially trim pet's nails with clippers before using the Sandy Trimmer Strips. Then the strips will help keep the trimmed nail smooth through frequent use.Warning: Use sparingly for animals with sensitive feet (Hedgehogs, Hamsters, Gerbils, etc.)Instructions: Clean surface with rubbing alcohol- not water or detergent. Let surface air dry then apply strips. Press firmly on each strip for at least 30 seconds then wait 1 hour before placing inside the cage.Materials: vinyl with 60-grit calcium carbonate