Yes, reflective tape is very useful outdoors, and it's commonly used for a variety of safety and visibility purposes. Here’s how it helps:

Key Benefits of Reflective Tape Outdoors:

High Visibility in Low Light:
Reflects light from headlights, flashlights, or streetlamps, making objects or people more visible at night or in dim conditions.

Weather Resistance:
Most outdoor-rated reflective tapes are waterproof, UV-resistant, and can handle temperature fluctuations, rain, snow, and sun exposure.

Durability:
Designed to stick to various surfaces (metal, plastic, wood, etc.) and remain effective for months or years, depending on the brand and conditions.

Safety Applications:
Used on bicycles, helmets, mailboxes, trailers, road signs, fences, construction zones, and personal safety gear like jackets or backpacks.

Easy to Apply:
Typically comes with a peel-and-stick adhesive backing for straightforward application.

Things to Consider:
Choose the right grade: Engineer-grade or diamond-grade tapes offer different levels of reflectivity.
Surface preparation: Clean the surface before applying for the best adhesion.
Color choice: White or silver reflects best, but red, yellow, and orange are commonly used for specific warnings or alerts.