[ Size Info ] External Size: 3.93x 2.36x0.98in/ 100x60x25mm ; Inner Size: 3.78x 2.2x0.91in/ 96x56x23mm (L*W*H)- - (Allowable Error: 2mm) [ Sturdy Material ] Mini project boxes are made of high quality ABS plastic which is durable, practical and easy to drill without cracking and installation. [ Compact Design ] Small size but solid construction make it ideal as hobby box and sort kinds of electrical components for your DIY project. [ Practical Box ] Electronics box is suitable for various scenarios such as esp32 case, esp8266 case, pcb board, power accessories and portable projects etc. [ Package Content ] 10 x project boxes