Plain Tie Knot Sexy Bikini Set. Red Front tie knot bikini set Sirene LaVie Girls Tie Knot Bikini Floral Printed Tie Knot bikini set. YELLOW SUB TRADING Slip Knot Bikini Tie at Mackenzie Sheehy blog. Plain Tie Knot Sexy Bikini Set. Experience both style and comfort with our Plain Tie Knot Sexy Bikini Set. The high quality fabric ensures long lasting durability while maintaining a sleek and flattering fit. It's the perfect addition to your swimwear collection for a confident and elegant look. Available in GREEN & RED colors.