1. Cool Travel, The Color Does Not Go Out At Night, Improves Visibility When Traveling At Night, And Reduces The Probability Of Vicious Collisions When Traveling At Night 2. Flexible And Resistant To Bending, Waterproof And Sunscreen Adhesive, Firm And Does Not Fall Off 3. After Being Attached To Avata, It Must Absorb A Light Source Or Be Illuminated By A Light During The Day, In Order To Store Light Energy, And Then It Will Glow At Night/Dark Places. 4. The Longer The Light Absorption Time, The Longer The Fluorescence Effect! 5. It Is Both Colorful And Luminous, With Different Aesthetics In Different States. Style: Laser + Luminous Installation: Traceless Glue On The Back Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Colour:As Shown Material:PVC Package Contents: 4 Pieces x Drone Colorful Luminous Stickers Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.