1. tricks faster with Trainers. Skate board accessories simply over your wheels and stop from rolling so you can focus on the steps of the trick without worrying about falling. You can practice more, fall less, your up, and develop some muscle memory. you have it down, take the Trainers off and your trick for real, rolling on the pavement in your element. 2. Perfect for all ages. Beginners love how fast they can tricks. love to impress their with their stuff. Adult skaters who are back after a long love not falling. Parents love because they can now help their kids learn tricks (and maybe even learn a few on their own). , Adults, Kids ages 6-12, ages 8-12, , girls. 3. Fits any skateboard wheel, durable and easy to use. They work on stand and trick skateboards, penny boards, cruiser boards, school decks, and even most long boards. They over your wheels easy and are also tough lasting as long as you need . With improved materials, new zero process they are ever. 4. Durable and strong. Trainers are made from compound for strength, durability, and . This means skateboard wheel stoppers and training aids can be installed and used for hundreds of skate sessions. 5. Easy to install. set comes with 4 Trainers, one for each wheel. Using all four keeps your board balanced and is the most configuration. Model Number: Trainers color:Black :TPU Package Contents: 4 x Trainers Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.