Vibrant translucent colors Peel-and-stick adhesive style backing 2-Sided - Visible from both sides 4.5" - Indoor or outdoor use Colorful peel and stick window art decal / sticker. Top quality, permanent-stick artwork in beautiful translucent colors. Double-sided sticker so the colors are especially luminous on windows and glass doors, especially with light behind them through doors and windows. outdoor grade vinyl - sun and water resistant. Easy application - will stick to all types of flat surfaces - bumpers, car windows, laptop, lockers or notebook.