CoolJewelry Sterling Silver Family Tree Of life August Birthday Charm Beads For Bracelets. Choose your Birthday color. Dimensions (mm):9.92*10.71*10.30. The Hole Size is about 4.8mm~5mm. Ideal Gifts for Christmas, Mother's Day, Valentine's Day, Graduation Gifts, Bridal Gifts or your other special occasion you would like to make memorable. Find a special gift for a loved one or a beautiful piece that complements your personal style from CoolJewelry and create your own memory bracelet.