Under Water Sea Decal (Sea Wall Decal - Sharks - Fish - Seaweed and More) This Wall Decal Source Deep Sea Decal is 50" wide by 30" tall Easy to apply to almost any surface This decal is a peel and stick reusable decal. Check Second Preview for detailed dimensions. Before you add to cart, make sure the decal is SOLD by Wall Decal Source as they are the original designer and seller.