◆ Rubber rings, size 16, set of 6. ◆ They can be worn stacked, or combined with your existing silver rings. ◆ Color: Black only. Width of one ring: approximately 2.3mm ◆ Made of rubber. ◆ Due to the nature of the ring, some size variation is to be expected. ◆ Ships the same day if payment is confirmed by 3 PM. ◆ Shipping via Yu-packet.