The thickness of Top-Joy dry ski mat reaches to 3.1 centimeters, which is the best in terms of resilience force. Let’s witness how gorgeous its slide experience is together, come on and play in our 100m-300m length slide with pure adrenaline! Why the snow tube runs so fast!What is this black technology! Still using dry ski slope needs lubricant and water? Still glide hard on the 0°ground? You definitely deserve a better one.