Tapp Collections trade; Mood Pendant Necklace - Yinyang/Taiji Tapp Collections is a trademark owned and operated by Tapp Collections, Inc. Tapp Collections products are sold exclusively by Tapp Collections authorized retailers. Any trademark infringement will be reported to Amazon. The mood pendant changes color with your mood and it is fun! Eco friendly, nickel free, lead free, and so beautiful Makes a great for friends and relatives; Size: 1" x 1" 16" + 2" V style wax cotton thong nickel-free necklace