Why choose our Whelping Box Liner Mat? 1、Durability ，the Whelping Box Liner Mat of compact felt structure with excellent anti-tear and wearable performance. 2、Made of soft and environmentally friendly materials, it can be used as a bed for puppies. 3、Universal fit， Easily cut to fit with scissors and material won't fray，edges won't unravel or fray, all glued together; making it easy to fit any whelping box,playpen,crate,kennel,critter nation cage，durable and puncture resistant. 4、When the mat becomes dirty, simply rinse it with water or machine, and then dry it for reuse, but remember not to bleach. When we play with our pets on the floor, don't worry about the pet's urine, because the absorbent material can quickly absorb the urine and make the puppy dry. Our pet pads don't have to worry about being damaged by puppies. How to train our dogs? Generally, our dogs pee, and they sniff around at first, and then we need to quickly guide them to the mat, If your dog is urinating on the floor, please show our angry expression and don't leave odor when cleaning; Conversely, if the dog urinates properly on the mat, he will be rewarded, such as feeding and praising the "good boy." Repeatedly, puppies will develop a good habit of using mats