High elastic shock absorption silicone, comfortable and soft sponge, with good materials to reduce pressure and pain, making more comfortable. High-strength -Mo steel sitting bow has strong support, and the sitting bow has flexibility and shock absorption, so it can better support when . Water-proof and dirt-resistant materials are not afraid of wind and rain, high-density frosted , waterproof and infiltration, and easy cleaning (Note: it's not suitable to be exposed to rain for a long time) grooves are breathable, ergonomically designed, and air flows out from the middle of the cushion, so that is not stuffy. Narrow front and wide back, aerodynamic design, reducing sciatic pressure when without grinding legs. Name: bicycle cushion for children bicycle cushion mountain bike cushion comfortable road bike saddle Size: short 220 x 125mm Weight: about 170g. Type: equipment/bicycle accessories Applicable: mountain bike cushion Colour:black Material:Steel + Cotton + leather Package Contents: 1 x Bicycle cushion Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.