Size One Size Color Black Brand Rollergard Wheel Material Polyurethane Wheel Type Aggressive Closure Type Lace-Up Our patented design also keeps your blades from ever touching the bottom of your RollerGards, so your skates stay sharper longer Recommended for Skates size 9 and smaller and a skater under 200lbs Durable, non-marking indoor/outdoor wheels, ABEC 5 bearings Sharpen skates less