Welcome to 21 Holiday! 21 Holiday focus on bringing fashionable and premium-quality items to customers. Stylish & Unique The Knuckle Rings is a great gift idea for anyone with classical tastes in fashion. Fantastic Present Share this ring with your friends or make a surprise gifts for girlfriend, lovers, families, friends, girls, etc. Suitable for birthday, Valentine’s Day, Christmas, Mother’s Day, anniversary and so on. Warm Tips Please do not contact rings with the alkali, acid and corrosive substances. To avoid the surface scratches, please avoid to collision of rings. It is not suggested that wear them when shower, sleep, sweating a lot, etc.