Hustle for the Muscle Motivational Workout Kiss-Cut Vinyl Stickers. Checkout these super cute motivational workout cutout vinyl stickers that come in multiple sizes. The stickers are made using a wide-format printing service. It applies a white or transparent underlay to the pixels in the design area, then adds color using environmentally friendly eco-solvent inks. Print your own stickers in an easy, stylish, and eco-friendly way. Order Stickers here! .: Material: 100% vinyl with 3M glue .: Comes in 4 sizes .: White or transparent .: Grey adhesive left side for white stickers .: Only PNG design format supported .: For indoor use (not waterproof)