Flow: of the Rivers luxury throw pillow collection set. Flow is a solid cotton velvet turquoise accent pillow that is soft to the touch and soothing to the eyes just like the Mediterranean ocean. Suitable for mixing and matching with an array of other pillow pop pillows. All pillow pop collection sets incorporate a variety of fabrics including velvets, linens, suede, chenille, and jacquards, in an abundance of rich textures and hues. Dress your home with Pillow Pops.