Water proof and last for 6-8 hours. It can glow brightly after expose to or any other lights. QUICK & EASY USE - fluorescent masking tape can be applied to a wide range of surfaces and textures thanks to the advanced non-residue adhesive backing.Tip: Good stickiness is definitely an advantage. If you need to tear off the tape. You can use a hairdryer to blow hot air. The tape is easy to tear off when heated VERSATILE INDOOR/OUTDOOR SAFE - Crafted from premium-grade PET, our non- luminous glow in the dark tape is kid-safe, waterproof, and eco-friendly. LONG-LASTING ILLUMINATION - After collecting light energy, it can shine in the dark.Just 30 minutes of light exposure can make our glow-in-the-dark tape illuminate for up to 6-8 hours ! QUICK & EASY USE - fluorescent masking tape can be applied to a wide range of surfaces and textures thanks to the advanced non-residue adhesive backing.Tip: Good stickiness is definitely an advantage. If you need to tear off the tape. You can use a hairdryer to blow hot air. The tape is easy to tear off when heated,Water proof and last for 6-8 hours. It can glow brightly after expose to or any other lights. Material: PET colour: As shown Package Contents: 1 x Luminous tape 1.5cm 1 x Luminous tape 2cm 1 x Luminous tape 3cm 1 x Luminous tape 4cm 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.