This is a rear child seat cushion for the Bridgestone bikke electric bicycle. It is new, unopened, and has been stored. It's a dark brown color, which is no longer available in the current lineup. I bought this as a spare a while ago, but I never used it. It has been stored indoors. Thank you! Part number: B403531DBR Color: Dark Brown * Instant purchase is welcome. * Returns are possible if necessary (buyer pays shipping).