Karmik QR Code Decal 25-PackProtect Your Purchase. Prevent Replacement Costs. Unlimited scans and Unlimited returns. Built in rewards system provided by Karmik! Over $200 value. IT WORKS! 78% 90% return rate Simple and efficient return process. Lifetime guarantee on decal. No questions asked replacement provided by Karmik. Extremely durable. Resistant to: Water, heat, cold, scratches, UV, fade, salt, acid, chemicals. No batteries required, no Bluetooth needed.