Self-Adhesive Retro-Reflective TapeThousands of highly-efficient micro prisms reflect light back at source aiding both day and night rescueApplies to virtually any surface except woodUSCG-approved immersion suits require 31 square inches (two 4 x 4 in patches) on both front and back sidesComplies with SOLAS 74/83; USCG 164.018/4/0 approved; DOT-C2Application: Ideal for life jackets, rafts, survival suits, canoe/kayak paddle blades, backpacks, work vests, bicycles