Black Triangle Bikini Gem Triangle Bikinis Swim Triangle Bikini Top Only $ 53 Organic Basics Swim Triangle Bikini Top Only $ 53 Organic Basics. This black swimsuit is made of lycra, features hand applied Guipir*, giving it a unique and exclusive design. The piece combines the practicality of a swimsuit with the sophistication provided by the embroidery, designed to highlight femininity and create a stunning look, suitable for wearing as a bodysuit or swimsuit. *Guipir is a highly sophisticated lace technique, an art form that holds a special place in haute couture fashion and is appreciated for its beauty and complexity.