The perfect size for shoes: Each shoe charms button diameter is 0.47 inch fit for most brand shoe holes. Buttons have been glued on the back of this product, which can be directly inserted into the shoes with holes, which is very convenient to use. MaterialPVC, Shoe charms are made of high-quality Alloy, Crystal, Rhinestone, Gold Plated and Enamel, non-toxic and durable; Shoe charm buttons are fixed tightly with bottom, easy to get on and off , no breaks easily. It's very bling under the light. Easy to useto install the shoe trim, hold it and insert it from a 45 degree angle. To remove it reach into the shoe hole, gently push the sole with your fingers until the shoe is released and the same is true when installing the bracelet belt. Perfect giftOur The shoes charms Rhinestone are Very stylish and Classic but they also make great gifts for birthday gifts,Women's party gifts and so on. Great for Party Favors.