It was born from the recent "heel skating" craze. Just strapping on one pair, userscan transform their shoes into one pair of heel skates. The size is adjustableto fit most. Further more, the wheels gives off multi-color flashing while itis running. 1) Have Inline skate quality polyurethane wheels 2) One Size fits most 3)Cool multi-color flashing wheels operate from magnetic technology 4)Front maximally flashing with 3 colors (red, yellow, blue) 5) Strap on or remove in seconds. Enjoy skating anytime you like 6) A heavy duty frame can hold max. 90kg. 7) Color: Black, green, red, yellow, blue, purple. General Package: Inner packing: 1 pair/color box Outer packing: 40 pairs/Carton Carton dimensions: 52 x 39 x 45cm N. W.: 30.40kg G. W.: 37.50kg 12, 000 pairs (300ctns)/20' container 25, 000 pairs (625ctns)/40' container 29, 800 pairs (745ctns)/ 40' HQ container