Our nail laser therapy device contains PET. _x005f_x000D_It can be laser deep into nails quickly and efficiently. _x005f_x000D_Its usage is very simple: clean and dry your nails and surrounding skin; please first buy 3 AAA batteries and install them, then turn on the switch to activate the product; hold this product in your hand and finger the nail for about 10-30 minutes; use 2-3 times a day. _x005f_x000D_It can also take care of nails gently, safe without side effects, and safe to use._x005f_x000D__x005f_x000D_Net content: 1pc _x005f_x000D__x005f_x000D_Product name: Nail laser treatment device _x005f_x000D__x005f_x000D_Keywords: Deep nail instrument _x005f_x000D__x005f_x000D_Gross weight: 31g _x005f_x000D__x005f_x000D_Ingredients:PET _x005f_x000D__x005f_x000D_Packaging size: 8.8*2.7*2.7cm _x005f_x000D__x005f_x000D_Product size: 8.5*2.4cm _x005f_x000D__x005f_x000D_Box meter: 56*36*21.5cm _x005f_x000D__x005f_x000D_Weight of one box: 15.44kg _x005f_x000D__x005f_x000D_Shelf life: 3 years _x005f_x000D__x005f_x000D_Storage method: Please store it in a cool and covered area