The river is full of large round rocks with river water constantly running. Initially I wasnt sure if Id like the single band design, but it is comfortable, and most importantly the sound quality is great for both me and my callers. Even when I tighten the strap. They look very cute and made excellent gifts. Its very pretty ,but its frail. Note to put the wet shoes on the bottom shelf to avoid dripping onto other shoes. Combined with the color changing night light, it gives soothing, calming and romantic atmosphere. The actual bars were not labeled "front" as stated . simple instructions and fast delivery! Came quick and with good instructions.