The set comes with hole punching for easy keychain assembly Add jump rings to transform your design into functional and stylish accessories Design for all skill levels, simply cut, draw, and heat with oven to watch this process Fun and simple for kids and adults alike Made from BOPS materials, the shrink paper retain vibranting color and strong structure after heating, ensuring long time and fade resistant creation Present for friend, family, and craft lovers Great for birthdays, holidays, or special occasions, inspiring creativity in every recipient This 161 piece shrink paper keychain set endlessly crafting possibilities with various shape and color for making personalize keychains, accessories, and gift Ideal for enthusiasts and hobbyists