7/8" Dia. Crescent Shaped Nail-on Slider Glides for Chairs, Stools, Tables - Protects Your Floors as Furniture Slides Like Magic! - Tan - Box of 25 UNIQUE PROFILE - Crescent shape makes them practically invisible, while allowing chairs to glide effortlessly over uneven floors! SELF-LUBRICATING NYLON - Makes it easy for kids to move chairs, while sparing your floors (and ears) at the same time! RECOMMENDED USAGE - Best suited for ceramic, porcelain, and laminate floors. For hardwoods, please search for B00UM8GTEQ ECO FRIENDLY PACKAGING - Reclosable box makes it simple to store any extras! - See product description below for installation tips! - 25 pieces DESUNIA'S GUARANTEE - Buy em, try em, use em, abuse em for 30 days. If not happy for ANY reason, return for a full refund. NO QUESTIONS ASKED!