This necklace is 304 grade stainless steel so it's great for those with metal allergies. The cable link chain is 17 1/2 inches long. The checkered heart pendant is high quality acrylic and measures 1 1/4 inches top to bottom and 1 1/2 inches across. There is adorable scalloped edges around the heart that looks like lace. Comes complete in black velvet gift pouch ready to give to someone or yourself!