Synthetic soleCasual summer shoes, Upper is hollow-carved design, which keeps air flow permanently as the shoes can breath. The stereoscopic design water shoes provide enough space for your feet, and wrap toe design to protect your toes from injury.MATERIAL: Sole use of EVA resin material, flexibility, comfortable and rich toughness, it belongs to natural rubber, non-toxic. Ultra-lightweight,a shoe weight from 100-120g and Easy to clean and quick to dry.(When you receive the shoes, it will carry an EVA smell (non-toxic), which is normal, placed in a ventilated place for 2 days, there is no smell.Wearable & Non-slip The sole is abrasion resistance and skid resistance. Excellent crushing resistance and shockproof function prevent shoes deforming and can do lots of outdoor activities.Suitable for many outdoor activities or house activities,as a house slippers,as a sandals the you have a beach visit,as a shower,as a pool shoes, Home uses, garden, hotel, bathroom, beach, shower, swimming, pool, gym, nurse shoes, party, supermarket shopping, walking with dog, etcIf you have any problems please contact us, we will reply asap. It is a good gift to your boyfriends or girl friends. We have many size and fashionable colors for your choice.