Ethylene Vinyl Acetate sole NO ODORThe skull slippers are manufactured using a premium EVA material,which is recyclable and not only waterproof and wear-resistant like rubber,but also light and elastic like memory foam.It is worth mentioning that this unique slipper does not use any glue,so the possibility of odor is eliminated. NON-SLIPThis Pillow slides vamp and the sole is to use the skull pattern design, highly personal and provide excellent skid resistance and grip.The NON-SLIP design allows the slipper to adapt to any surface without slipping,including tile floors,carpets,beaches,pools,etc COOL and practical designThe cool hollowed out skull allows the air permeability of this men's sandal to be fully exploited to keep your feet cool on sweltering summer days.This breathable sandal allows you to be more comfortable in various places without having to worry about smelly feet. BEST GIFT This High quality Sport slippers are undoubtedly one of the best gift choices,and it is easy to win the hearts of people with its novel shape design.It's such a comfortable wearing experience that everyone loves it and can't even take it off.