Kit Includes two (2) White Marine Grade ABS plastic registration number plates 4″ tall x 24″ wide x 1/16″ thick and four (4) 12″ nylon hook & loop adjustable straps, our best selling black 3″ size Decals with 4 sets of A-Z, 0-9. Total of 144 decals enough to do both plates. Use Sticker-On! Decal Application Fluid for the Easiest Installation. Just spray Sticker-On! on the back of your decal and slide your decals into place nice and straight with no bubbles. Everything you need for registration is in this one package! Your registration plates can be secured to hand lines or oar holders. Plates has enough space for your registration number sequence, mussel decal if required and yearly state permit decal. Nylon hook & loop buckled straps go through punched channels on the plate for attachment. Straps are adjustable and reusable. Use the grab handles, ore locks, D-rings or perimeter rope around your vessel to attach the plate. Some inflatable boat models have no where to attach the plates depending on the model if that is the case.