This set contains 30 images as shown on preview pages, wich includes 15 color images and 15 black line versions. Images saved at 300 dpi in png files.Included in this set: wave, waves diagram, progression of wave, surf wave, surface wave, swell waves, wind waves, wave breaks, moon and tides, spring tides, neap tides.Check out these related clipart sets:Ocean BackgroundsCute Sea AnimalsContinents and OceansOcean Food Web - ClipartLandforms - Ocean FloorWater CycleLandforms - Delta RiverTsunami Cl