Website: www.Deal4Steals.com Necklace Type: Pendant Necklaces Metal Type: Stainless Steel Metal Stamp: 316L Gender: Unisex Main Stone: None Fine or Fashion: Fashion Chain Type: Link Chain Item Type: Necklaces Shape\pattern: Heart/Cross Style: Trendy, Relax Occasion: Casual, Gift Customized: Yes (Glow) Colors: Silver Chain Length: 60cm (24") Pendant Heart: 36mm*18mm Pendant Cross: 42mm*28mm P/S* This is a luminous necklace. Place under the sun for a few minutes or illuminate it with the flashlight of your mobile phone or any flashlight for a few minutes. Next, put it in the dark and it will glow.