StickerTalk 10in x 3in I Love My Mastiff Magnet Car Door Magnetic Truck Magnets Backed by StickerTalk's 30 Day 100% Satisfaction Guarantee. High quality magnetic material. Professionally made in the USA. Laminated for extra protection. Will provide years of life in outdoor environments. Printed with solvent based inks that are waterproof, scratch and UV resistant. Magnets require special care. Please read enclosed instructions carefully.