NDS Net String Tie Bikini New From NDS Wear® Sheer NDS Net String Tie Bikini in Solid Colors: Black, White, Red, and Blue. Bikini strings and ties together! Great Gift Idea & to have some fun! Available in One Size Fits Most. One size fits most, 30"-35" typically. Made up of 90% Polyamide and 10% Spandex. Breathable and Comfortable. VERY SHEER!