Show off what family means to you with our beautiful Gifts for Mum - Heart Family Tree Necklace . Our Family Tree Necklace is made out of 0.925 Sterling Silver and hangs on a Sterling Silver Bead Chain . Up to 40 characters in total. Only the first letter is capitalised. Material: Sterling Silver 0.925 Style: Family Necklace Thickness: 1.2mm Measurements: 29mm x 29mm Chain style: Beads Chain Chain length: 35 cm, 40 cm, 45 cm, 50 cm, 55 cm Nickel is often used in inexpensive costume jewellery, but it can be very irritating to some people. Look for earrings with solid gold or platinum posts for the most hypoallergenic option.