High quality roller,wheels with 4 side led lights,High elastic strap with clip at the end. ... you slide , you should make sure the place is safety, do not slide on heels,stairs, snow place. Plate ... supervise. All the user or player must warning the safety anytime. The sealer and retailer,importer ,manufacture all do ... copy of B/L. Flashing Roller with lights inside PVC wheels,Glider roller,Street glider