Specifications: material: plastic handle and magnet features: double-head pen, flower pattern and 4 piece dotting design, can make special design for cat eye gel polish, can be used for draw small dot or any lines pattern, strong magnet stick are used for make cat eye design pattern easy to apply, best partner for magnet nail polish, durable and reusable, wash it in the water after use, nice handle, great for fine nail art work, ideal for professional use or home use. Professional usage: step 1: apply base coat, step 2: apply the color polish in a thin application, step 3: apply a second color cat eye polish, do not cure and put the magnet over the nails for 10 seconds to get the cat eye effect, step 4: cure under led light for 30-60 seconds, uv light for 90-120s seconds. Step 5: apply top coat, finish!