This sticker is perfect for your laptop, planner, mirror, phone case, car, water bottle, hydroflask, etc.! Stickers are 100% waterproof, weatherproof, seal on top that protects against water, sun and scratches. Thicker material, more ideal for water bottles, phones, etc Retro Once I Defeat the Chemical Imbalance in My Brain Sticker is approximately 3.3 inches in size.