Specifications: Single size: about 6*5CM/2.37*1.97" Material: canvas + resin diamond,non-toxic and tasteless Please note :This 5D DIY diamond painting kits are semi-finished products. You need to do it yourself, all the accessories are complete.We have instructions on the package, if you still have questions, please send me a email. Using steps: 1.Find the corresponding crystal rhinestone based on the symbol list and pour into the plastic tray. 2.Put the clay on the diamond sticky pen. 3.Use the diamond sticky pen with the clay to paste the diamond and then stick it in the corresponding diamond color number. 4.Use book or your hand to press the diamonds to ensure it's stoutness. 5.Tear off the sticker and paste it where you want. Attention: The set contains small parts, th diamond is inedible, not suitable for eating, children under 6 years old should use under adult supervision.