If your product arrives with light colored marks, that is normal. You can redistribute the wax by using a blow dryer on it.
To clean, rinse off with warm water or rub gently with a damp cloth. That's all that is needed. Do not use detergent or soap. If the wax wears off in areas, it can be refinished with canvas refinishing wax.
Rewaxing: Make sure your product is clean. Use a canvas. refinishing wax. You can either heat up the wax and rub into the dog product using a cloth or dry rub the product with the refinishing wax and set wax with a blow dryer.