Heart Necklace Set: couple heart shape pendant for best friend, express love between couples, lovers, friends, family, Comrade and so on. Base material: 316L Stainless Steel, durable and long lasting color. smooth polished finish which makes them comfort to wear. Puzzle Size: 1.2 inch x 1.2 inch, Chain Length: 16 inch (Extender: 2"),Light weighted: 6 grams per unit. Customize details: Step 1: choose color with customize service. step 2, Click " Customize Now" button. Step 3, enter the content you want to engrave (names / date / locations / numbers /special symbols). Package Content: 2 pendant necklace,I box, 1 black velvet pouch. U7 Custom Engrave Name Puzzle Pieces Best Friend Necklaces Set for 2/3/4/5/6.