Bond Eye Sun's Our Reversible Bikini Bottom in Rust. - size M (also in ) Bond Eye Sun's Our Reversible Bikini Bottom in Rust. - size M (also in ) Self: 66% nylon 34% elastaneContrast: 88% nylon 12% elastane. Hand wash cold. Reversible. Stretch fit. BONR-WX48. BW64022DC.