Ann Summers Silicone Boost Thong. The Silicone Boost Thong comes in a sexy, flattering cut for a smooth look under clothing. The thong is finished with a mesh trim and black chiffon bow. Perfect for special occasions, wear with the matching Silicone Boost Bra..Lace thong. Bow Detailing. Diamante detailing.Thong BriefsMachine Wash 40°CMesh: 91%Polyamide 9%Elastane,Allover lace:87%Polyamide 13%Elastane,Front liner: 100% Polyamide,Gusset Lining: 100% Cotton,Excluding trims Shop At House Of Fraser