Product guides: the fake finger without nail attached and its surface is smooth, please roughen the practice finger up with a nail file before use, and then you can stick the acrylic nail onto the practice finger with nail glue, at last you can begin to enjoy your nail art training Nail art training tool: these acrylic fake fingers are great models for nail art training or practice, perfect for nail art beginners, lovers and salon artists Self-adhesive base design: nail art training fingers designed with self-adhesive base, just peel the bottom film off and stick the manicure finger on your display box, it will stick and stay on place firmly Appropriate size: practice fingers are made of high-quality plastic material, durable and reusable, the fake fingers size approx. 4 * 5 * 2.5cm, portable and easy to use Reusable, convenient for nail art practicing. Suitable for using in acrylic, gel nails art practice.