These fasteners are excellent for indoor and outdoor use where extra holding power is needed. Industrial strength coins stick to most surfaces, including plastic. These fasteners are water resistant and perform well over a broad temperature range. These convenient pre-cut coins offer strong, water-resistant holding power making this the choice for maximum fastening security. Industrial Strength features 50% more holding power than standard STICKY BACK™ fasteners. Details:Available in assorted colors1 7/8" (4.7 cm) Please note, packaging may vary.