●Glass ●This is a cute decorative way to keep your babys first curl. ●You can make it with a small strand of hair, so this is a perfect personalized gift for own’s kids, new or expectant Parents, Grandma, Grandpa. ●Made of a strong glass with a well fitting cork. ●Each bottle is 2.75" high and 2.16" long and wide ●If you are not satisfied with our product, please be directly in touch and we will help you solve the problem.