Adapt and overcome! Increase speed to your game with this tool. Position these speed rings in custom patterns to develop foot speed, agility, overall coordination, and mental focus. Lightweight design for convenient transport. Made from high impact P.P. material for long lasting use. Durable and flat to avoid potential injury from tripping. Weather proof for outdoor/indoor use. The Speed Ring Set includes 12 rings (3 COLORS: 4 RED, 4 BLUE & 4 YELLOW).