Peel n stick magnet is also called PSA magnet - for its Pressure Sensitive Adhesive. A wax paper liner protects the adhesive until you are ready to use it. Just peel the liner away to expose the adhesive. Simply press the adhesive against most any surface. The opposite side of this product is magnetic. Depending on how you use this peel and stick magnet, either side could be considered the front. One of the most common uses for peel n stick magnet is turning printed photos into fridge magnets.