University Southern California USC Nail Sticker Decals Officially licensed collegiate merchandise. Licensee: Worthy Promotional Products Sticker Decal Application Instructions: Apply 2 or more coats of polish, trim the decal to fit your nail, peel off the white backing, place sticker decal on nail and seal with a clear top coat. These sticker decals are NOT "water slide" decals. They are stickers. Please do not submerge in water. Please follow the Sticker Decal Application Instructions. 30 Decals Decals are approximetly .25 inches tall