Penguin Black Pearl Dual Layer Rubber Bands Refill-600 Bands & 24 C-Clips from Rainbow Loom (B0193) Vibrant Colors grace the outside of each Dual-Layer band from Rainbow Loom while each band is lined with a light, white ring making each color "pop". Add dual-layer bands to your Raibow Loom rubber bands collection to add dazzling colors to your loom creations. Dual-layer bands work with the original Rainbow Loom, Monster Tail Loom, Finger Looms & the Hair Loom kits. Each pack of Dual-Layer bands includes 600 bands and 24 c-clips. The Penguin Black Pearl dual-layer band also features a pearlescent, shimmery metallic outer layer.