YOUNGDO Saddle Bicycle Saddle [Ultra Thick, Low Repulsion with LED Light] Saddle Cushion, Perforated, Ventilated, Waterproof, Resistant to Slip, Compatible with Road Bikes, Cross Bikes, Mountain Bikes, Aero Bikes[Perforated type for pressure dispersion] Our bicycle saddle has a honeycomb structure with a cavity in the center, which can relieve pressure on the body. If you have any questions during use, please contact us from "Account Service" "Order History" "Sales: YOUNGDO" "Ask a Question" in your account service. Bicycle saddle [super thick memory foam with LED light] Color: Black Size: With tail light Material: Leather Packing size: 30 x 20. 1 x 11. 9 cm;