PRODUCT INFORMATION: --We only make environmentally friendly high-quality lawn-- Grass height: 30mm Size: 14*18 inches, 18*23 inches,18*28 inches Material: PE (polyethylene) Weaving distance: 3/8 inch Density: 14700 clusters Number of needles: 140 needles/m Number of points: 12000D Service life: 5-8 years FUNCTION: Reusable and easy to clean, Fire resistance to burning lawn, Bright colors and high degree of simulation, The raw juice material has no peculiar smell, Adhesive fixed grass silk flame retardant. Before training, your puppy may not accept this operation immediately, it does not matter. If you follow these simple instructions, you can find him/her soon. 1) Wait for your puppy to pee in the house (preferably on a hard floor). 2) Remove the turf and use it to absorb some urine on the floor. 3) After smelling urine on the grass, put it back on the black plastic/deck. Now your puppy will smell the urine and will intuitively know what to do.