Solid & Striped Pia Bikini Bottom in Metallic Gold. - size XS (also in L, M, S) Solid & Striped Pia Bikini Bottom in Metallic Gold. - size XS (also in L, M, S) Self: 85% polyamide 15% spandex Lining: 80% recycled polyamide 20% spandex. Made in China. Hand wash. Self tie hip straps. Item not sold as a set. SLST-WX780. RE24-1150MET-GOL. Solid & Striped was established in New York in November of 2012. Their mission is to design and produce a timeless collection of Swim and loungewear that is made with the highest quality European and Japanese fabrics available. Each item is defined by an elegant simplicity that makes each piece essential to a classic wardrobe.