Check the listing for details. BUNDLE: Top Glides FlexFit Universal Ski Glides with FREE GlideSocks - All Color. Condition: New. Listed at 11.99 USD. BUNDLE: Top Glides FlexFit Universal Ski Glides with FREE GlideSocks - All Color Adjustable universal design to fit most walkers Extra-thick high-density nylon plastic skis Versatile for use indoors and outside One of our most popular products because a flexible attachment mechanism means these ski glides will fit most walkers. Thick nylon plastic skis make these a durable and versatile choice for many surfaces. Exclusive "clipped ski" design for easier navigation. Simple to install with a screwdriver. Order 4 or more pairs for free upgrade to expedited shipping. Available in gray, black, white, purple, pink and blue. Tip: Use indoors with Top Glides GlideSocks to help protect your floors. Support: Visit our TG0081 Product Support page for helpful tips and video.