White Hawaiian Puka Heishe Necklace (16 Inches). A new take on a classic Hawaiian surfer necklace. This necklace is made from all white heishe cut (straight cylinder) puka shell. This necklace is perfect for men, women and teens. A great accessory to wear at the beach or to just look like you're headed to the beach! Due to the natural materials used in this product, texture, size and color may vary.