These were printed in Lava, Midnight and Neon. The neon is supposed to be glow in the dark but didn't glow to much for me. I The flexible filament allows you to fit the bands easily over your wrist and they are light to wear. If you have a smaller hand you may still be able to squeeze your hand through if you print it out of PLA. The inside measures about 2.5 inches in diameter.
Starter quantities of NinjaFlex, Splash Spools™, can be purchased from us via our website, Amazon or ebay.