The FloormarX system is an innovative floor marking system, created by Mitchell Snyder a longtime PE teacher, that is designed for creating quick-to-apply and easy to remove durable markings and symbols on sealed gymnasium and dance studio floors, and other non-porous floor surfaces. Simply write your lines, numbers, letters, and symbols, then wipe them off with the Cleaning Foot Wipes when no longer needed. Durable tip writes in three different line widths, for extra creativity and varied uses. Fast drying ink (2 minutes) and cleaning wipes (30 seconds) pass safety slip tests. Wipes leave no residue or slippery mess behind to clean up, for safe on-the-spot use. Markers have a 1-3/16” wide tip. FloormarX set - 1 green Floormarker, 1 blue Floormarker, 1 canister cleaning foot wipes. Recommended for adult use only.