Skate board accessories simply stretch over your wheels and stop them from rolling so you can focus on the steps of the trick without worrying about falling. You can practice more, FALL LESS, get your CONFIDENCE UP, and develop some MUSCLE MEMORY. Once you have it down, take the Skater Trainers off and get your trick for real, rolling on the pavement in your element. THE PERFECT CHRISTMAS GIFTS OR STOCKING FILLERS FOR Teenage Boys or Anyone with a Skateboard: Impress your friends with new tricks. Be the next Pro Skater or reclaim tricks faster and safer. As important as Helmets, knee pads, elbow pads, or wrist guards. they are perfect for anyone's skate tool kit. Stocking fillers for kids, teens, boys, girls, men who have everything of all ages. Cruz with Santa with confidence. FITS ALMOST ANY SKATEBOARD WHEELS: DURABLE, easy-to-use, and work on standard skateboard, penny, cruiser boards, old school decks, and even most longboard. They stretch over your wheels EASY and are also very TOUGH. By using quality materials the best gifts for any skater. Sold with in a SET OF 4 parts great add on to Skateboard for Kids Ages 6-12. PERFECT FOR ALL AGES: TEENAGERS can impress their friends with their cool new tricks, and ADULT skaters who are getting back on the deck can focus on safety and fun. PARENTS love them because they can now help their KIDS learn tricks without worrying (and maybe even learn a few on their own). Great gifts for kids ages 6-12, teenagers, boys, and adult skaters, especially men who have everything. [Applicable wheels] : 49mm-70mm Color: white Delivery Quantity: Set of 4 Note: Other items are not included here, other pictures only show the effect. Due to differences between different monitors, the pictures may not reflect the actual color of the item. Products are measured manually, please allow errors, thank you