trio pack 3 black selys briefsThis pack is perfect for heavy flows and includes 3 black Slys briefs. Our ultra comfortable seamless Slys brief is more than just underwear it can absorb the equivalent of 3 tampons. With its smooth, discreet design, it stays completely invisible under clothing. The cotton lining provides lasting softness and security throughout the day. Made from polyamide and elastane, it also dries quickly.