Frienda 20 Pcs Credit Card Pocket Magnifier 4x Fresnel Lens Pocket Magnifying Glass Plastic Ruler Starting Fire Emergency Bushcraft Outdoor Survival Leisure for Classroom Home Office

• Magnification up to 4X: this card magnifier can be magnified 4x, which is very suitable for reading small texts, it can also be applied for reading in low light, when you read the product description, you can also remove this lens from Fresnel, you can see the words more clearly and protect your eyes
• Use it as a rule: because the edge of the card is printed in inches and centimeters, it can also be applied as a rule, making it possible to quickly and easily measure small objects without resorting to larger rulers. Measure the distance on the map in the wild, provide you much convenience
• Emergency Solar Firelighter: Fire is an essential skill of bushcraft. It can be a fire alarm starter, because under strong lighting the focus of the lens will be especially bright and it will ignite. Use this Fresnel lens to heat the fire in an emergency
• Size information: compact, lightweight and flexible enough to carry in pocket, wallet, backpack or first aid kit, you can place the card in multiple places to use, the manufacturing quality of the product is exquisite
• Packing: Each magnifier has its own colorful protective case which keeps the magnifying glass intact and easy to find when you need it, each package contains 20 pieces, the number can meet your needs, you can also share it with your teammates.

Features: Fire Starter: With direct sunlight, you can use this Fresnel lens to light a solar fire when camping or in an emergency, a survival in the wilderness essential to bush life. Portable design: Slim, lightweight and flexible enough to fit in your wallet, backpack, first aid kit or outing bag, keep one handy for quick use. Multiple functions: Can be applied as a magnifying glass or ruler, both are very practical tools, necessary for us. Specifications: Material: polyvinyl chloride Size: as shown in the picture. Package includes: 20 x Fresnel Lens Magnifier