Flip-flop slippers with real non-slip sole, small, no paper insert in the sole part, so it can withstand moisture better! Rubber insert thicker than 2mm (total sole thickness approx. 4mm). We recommend it even for 5-star hotels if you are looking for a cost-effective solution. Packed in a black fabric bag with a string closure. Packaging unit: 100pcs/carton. Cartons cannot be opened.