Selle Royal Bicycle Gel Seat Cover - Most Comfortable Bike Saddle Cushion for Spin Class or Outdoor Cycling DESIGNED FOR INDOOR SPINNING & OUTDOOR CYCLING - Most of our customers use our seat cover at Spin Class, but it can be used both for indoor spinning and outdoor cycling. PREMIUM QUALITY - Selle Royal uses the best materials and workmanship to ensure durability. BEST IN COMFORT - Selle Royal has been producing the worlds most comfortable saddles since 1956. Trust our 60+ years of experience, we know comfort. Our saddle pads feature our, Royal Gel, the most comfortable gel on the market. NON-SLIP - The base includes a rubberized traction pad that elimiates slippage. FITS MOST SADDLES - 11" Long X 8" Wide gives you great versatility, fits most regular size saddles on the market.