You will receive 25 unique charms in the set, there's a diverse range of designs to cater to meet you different needs. The charms are made of decent waterproof PVC silicone material, they are waterproof and sturdy for long-lasting use. With these colorful charms, you can mix and match to create unique combinations. To install the shoe charm, please hold it and insert it from 45 degree angle. To take it off, reach into holes of shoes, use your fingers to push the bottom of the shoe charm slightly till it comes out. You can wear variety colors and funny designs of lovely charms on date, anniversary, Christmas or other festivals.