This blanket is READY to SHIP. It is made using 100% acrylic yarn. The body is a lemon yellow, while the tail & trim are done in a seafoam green. It will fit an infant up to a year old. Measurements are 18" long from waist to top of fins (fins add an additional 11") The waist is 20" circumference. This pattern is my own pattern. It was made up in my head, I did not purchase someone else's pattern to make this blanket.