(Double-sided grinding fleece) black + black (double-sided grinding fleece) dark gray + dark gray (double-sided grinding fleece) royal blue + royal blue (double-sided grinding fleece) light gray + light gray (double-sided grinding fleece) black + light gray (double-sided grinding fleece) black + royal blue (double-sided grinding fleece) dark gray + light gray (double-sided grinding fleece) dark gray + royal blue (double-sided grinding fleece) light gray + royal blue (de velvet fever) black + black (de velvet fever) dark gray + dark gray + dark gray (de velvet fever) royal blue + royal blue (de velvet fever) light gray + light gray + royal blue ( Derong fever) black + royal blue (Derong fever) black + light gray (Derong fever) black + dark gray (Derong fever) dark gray + light gray (Derong fever) dark gray + royal blue