The Safe Sleep Yellow Combo Swaddle Blankets are a set of 3 decorative blankets. Each blanket measures 40 inches x 40 inches. They are lightweight and breathable to help reduce the risk of overheating. Swaddle instructions are included. The blankets are made of 100% cotton. Care instructions: machine wash cold in gentle cycle, use NON-chlorine bleach when needed, tumble dry low, do NOT iron.