Versatile layering system ensures you can remove or add a layer so your horse is comfortable whatever the weather, whilst saving the ocean! The WeatherBeeta Green-Tec Liner Medium/Lite features a strong 150 denier recycled liner with 100g recycled polyfill, with a single touch tape front closure and 4 touch tape tabs on the neck to attach to outer rug. Clips at the rear allow for easy optional layering with attachments to add to leg straps or tail cord. The gusset is compatible with both freedom system and traditional side gusset designs and is quilted to keep the polyfill in place. Each liner saves over 150* plastic bottles from going into the ocean or landfill. *Number of 500ml bottles based on a 6'3" Green-Tec Liner Medium/Lite 100g polyfill rug. Number of bottles will vary depending on size of rugs.