Practical and efficient solution for the absorbent mat! The raised edge and the base, which adheres stably to the floor thanks to the non-slip pads provided, ensure that urine does not spill out. Secure the absorbent mat inside the frame so that your dog cannot carry it around the house, risking making a mess. Happy Nappy recommends Super Nappy as an absorbent mat. Instructions for use: Replacement: open the frame, insert the mat (with the absorbent side facing up), close the frame. Ideal for puppies and adults or for dogs that cannot go outside for health reasons. Happy Nappy recommends Super Nappy as an absorbent mat. Tips for getting your dog used to using Happy Nappy and Super Nappy: Use Gill’s Puppy Trainer. An attractive lotion for training dogs and cats. It helps to train the animal to perform its physiological needs in the desired areas.