The Loops & Threads Baby Rainbow yarn is a 7oz skein of #4 medium weight polyester thread in a bright pink color. Specifically designed for baby projects, this yarn is perfect for creating soft and cozy items like blankets and throws. Made from high-quality polyester, this yarn is ideal for crafting baby items with a durable and hypoallergenic material. With a total of 503 yards of thread, this unit is a versatile and vibrant choice for any crafting project.