SerfasA(R) RX Saddles are designed to maximize blood flow and alleviate numbness. If you are looking for the best in comfort and protection against perineal discomfort, then the SerfasA(R) RX is the last saddle you will ever need. Features: - Designed For Female Anatomical Comfort - Twin Bar Design - Steel Rails - Waterproof / Anti-Microbial Microfiber Cover Specs: - Length: 235mm - Width: 175mm - Weight: 476 Grams