Katy Perry - The Geli Slide Thong. Color Tranquil Blue. Low Stock. On sale for $39.50. MSRP $79.00.. 3.0 out of 5 stars1 left in stockBrand NameKaty PerryProduct NameThe Geli Slide ThongColorTranquil BluePrice$39.50MSRP: $79.00