Kruuse Task for Buster Activity Mat, Springroll This is a level 3 challenge to be used in conjunction with the BUSTER Activity Mat (sold separately). This means you can use it in 3 different ways to make the task more challenging Have fun together with your dog and stimulate your dog mentally. Give your dog more content in everyday life with the BUSTER Activity Mat The Spring roll is an oblong task with 4 lengthwise pockets for treats. The task is rolled up, tied with sewn-on ties and attached to the mat by means of four aligned press studs The BUSTER Activity Mat is designed in Denmark by Marianne Haller Vesterholt to play and interact with her miniature schnauzer Ludwig when he got too smart for traditional toys. It is also recommended by dog psychologist Anders Hallgren This task is made from a durable nylon which is easily cleaned with warm soapy water. Do not tumble dry. Just hang it up to air dry and youre ready for more fun