Darling by Tara Girls twin heart shaped ponytail hair elastics are designed to hold hair in place and up and out of the face. This pack features an assortment of colors to match many outfits. The elastic has metal and the heart diameter is approximately 3/4" or 20 mm. These are great for girls age 3+, teens and adults of all ages and are perfect for everyday casual wear. Color: White, Pink, Green, Yellow, Navy Blue, Purple, Light Blue Size: Approximately 20 mm All of our store items are sold individually so please use the drop down menu if there is a variation on the item Please visit our Simply Hair Accessories Store to see all of our items. SELLER DOES NOT ACCEPT RETURNS