i’ve been using a shoe box as a make up box (saving up for a car and old box broke) and i wanna make it lok better and i wanna firbe glass the inside of it but i have no idea how to do it and i wanna knowis it safe to do?wer can i buy the materials? how do you do it?how long does it take to do?and also can u waterproof paper mache (just incase i cant firbe glass)

Thanks!