These gloves really do keep your hands safe from being cut! I did exactly what the picture shows and took a knife against my palm. Well all good because it worked! They are food safe so you can prep food. They are made from polyethylene and proprietary silica based fibers. The breath so your hands do not get sweaty. They are comfortable to wear. Some suggestions for uses for these gloves not in the kitchen are using them on the job or wood carving. A knife will puncture the gloves but will not slice the gloves. I would recommend these for someone who uses knives on the job, in the kitchen, or is possibly clumsy when it comes to knives.