IST Super S Snorkeling Fins with Better Balance Blades & Closed Heel Full Foot Pocket, Eco Friendly Design in Black BETTER BALANCE  Balanced blade ensures easier control in the water. EASY DRAINAGE  Open toe for reduced drag and easy cleaning. QUALITY CONSTRUCTION  Durable material is comfortable and longlasting. VERSATILE USE  Ideal for kids and adults. ECO-FRIENDLY  Non-toxic, odorless and recyclable.