Lace Halter Top & Backless Panty Set . Top: Adjustable neck strap. Back neck hook opening. Center back hook and loop opening. Panty: Open back. Adjustable back straps. Center back hook and loop opening. Fabric: 90% Polyamide.10% Elastane. Queen. Bust: 40in.-46in. Waist: 32in.-38in. Low Waist: 34.5in.-40.75in. Hip: 42in.-49in.