- Express your love for arts and crafts with these beautiful diamond mosaic kits - The kit contains: adhesive canvas with colored chart, 13 colors of square diamond mosaic pieces, two trays, tweezers in PVC case, stylus, wax, re-sealable zipper storage bags and stickers for marking the bags. Size of a finished piece: 20*20 cm (7u00be" x 7u00be") - Family-owned business - Pick your new diamond mosaic project from RIOLIS now!