Check the listing for details. IR BLUE REFLECTIVE SOLAS 2" X 2" Blank Patch PRINT 2ND W/VELCRO® BRAND FASTENER. Condition: New. Listed at 2.25 USD. IR BLUE REFLECTIVE SOLAS 2" X 2" Blank Patch PRINT 2ND W/VELCRO® BRAND FASTENER$2.25 per patch. First Class shipping $4 for the first item, additional items ship freeTHIS PATCH IS A PRINT 2ND BECUASE THERE ARE BLEMISHES IN THE BLUE AND OR A SEAM IN THE VELCRO. SEE THE 3RD PICTURE FOR AN EXAMPLE OF THE VELCRO SEAM.This product is NOT Covert. It is printed with a special Blue that allows the Solas to shine through with night vision goggles and also if you flash a light on it. Made with: 3M Brand SOLAS (Safety Of Life At Sea) is approved by the U.S. Coast Guard as a retro reflective material used to enhance visibility of life saving equipment in nighttime, or low light conditions. 3M brand SOLAS reflects brightly when viewed with night vision equipment providing crystal-clear friend or foe identification. The Velcro Brand Fastener HOOK on backside of patch (does not include loop, which should be on garment) has highest quality acrylic-based adhesive glue and is able to withstand extremely hot climates. HOOK SIDE ON THE BACK OF THE PATCH ONLY, WE DO NOT PROVIDE THE LOOP SIDE . VELCRO BRAND FASTENER 330 PSA 0172.