12 pieces of hand-held black magnifying glasses in a pack, sufficient quantity to meet your various needs.3X Clear Magnification: the diameter of the lens is 6.5cm/2.5 inches, with the thickness of 1.3cm/0.5inch, clear for you to read books and newspapers, the full length of magnifying glass is 12.5cm/5inches, portable size for you to carry around.Material: the handle and lens edge is made of plastic, which is durable and can protect your magnifying glass from breaking when falling off, and the the lens is made of Plexiglass that has good magnifying effect and with strong clearness; note, lenses and the edge are easy to wear, please handle and put gently when using.Toys, not science tool: the magnifying glass is a kind of toy for fun but not a scientifically accurate tool; the optimum viewing distance is 3-5 cm, so please keep the magnifying glass away from the object within 5 cm.Suitable for most people, the magnifying glass can be used to check map, check equipment, analyze coins, observe animals and plants, observe insects and more, very useful in your daily life.