Size is 180*150mm, N.W. is 265g, PU leather cover, inside is Silica Gel. This Series is for Mountain Bike. Good Quality, 100% or Less Silicon Gel for Saddle, PU leather cover.Weight is from 260g to 430g/p, 30pcs/CTN, size is 50*34*40cm.Design Photos1 BackDetail2BackDetail3Back4Back Silica Gel Saddle for Mountain Bike