4-PACK ~ Amber Stick-On Reflectors, 3.25" x 1.5", Rectangular, DOT and SAE Approved 4-PACK of Amber Safety Reflectors Size: 3.25" x 1.5" x 0.25" Adhesive Foam Backing ~ Peel & stick to any clean flat surface Waterproof & fully submersible ~ D.O.T. and S.A.E. approved Great for car, truck, RV, motorcycle, snowmobile, tractor, boat, trailer, mailbox, fence post, etc.