EASY INSTALLATION: Comes with a sole holder, can be easily put on the sole of your shoes, firm and reliable, not easy to fall off. Dazzling and beautiful: the sparks grinding ground effect makes you more eye-catching and show your personality in outdoor activities. SPARK GRINDING DESIGN: Equipped with flint and sole fixer, sparks are generated by the friction between the sole and the ground, which allows you to show off your personality in outdoor activities such as pedal bike motorcycle and other outdoor activities. Cool and beautiful: the sparks ground grinding effect makes you more eye-catching and show your personality in outdoor activities. SAFE AND RELIABLE: Made of high quality material, durable and waterproof, ensuring stability and reliability for long time use. After-sales service:If you have any questions you can contact us at the first time to help you deal with, so that you can rest assured shopping! Outdoor Flint Sole Spark Flint Set brings you a new outdoor experience. Equipped with flint and sole holder, through the friction between the sole and the ground, you can generate sparks can be used in riding bicycles and motorcycles and other activities. Lightweight and easy to carry. Divided into two specifications 1 portion pack and 2 portion pack (each portion contains a shoe cover and 4 spark stones) Simple installation, firm and reliable, not easy to fall off. The effect of spark grinding makes you more eye-catching and show your personality in outdoor activities. Made of high quality material, durable and waterproof, ensuring stability and reliability for long time use. Enjoy the fun of outdoor life while staying safe and reliable.