Henri de Rivel Advantage Rainbow Training Rubber Reins feature a rainbow of green/navy/red/yellow to assure correct contact for beginner and/or therapeutic riders. Rubber grip stops the reins from slipping through fingers throughout the ride. Our training reins also include durable stainless steel hardware for longevity and come in pony and horse sizes. Part of the Henri de Rivel label, the Henri de Rivel Advantage Rainbow Training Reins offer you high quality products at a great price. HDR riding saddles and leather goods are expertly designed with unmatched craftsmanship and attention to detail.