
I've been using these for several months. I use 2 to park my spot where I live. I've had heavy rain, windy days and hot sun and no problems. One day it rained so hard I thought the wind would blow them away, but when I got home those little cones were still there. I live in South Florida.

High-Performance Arcturus Military Wool Blanket
12 Review

Arcturus Heavy Military Wool Blanket: A Must-Have for Occupational Health & Safety!
11 Review

π₯ Stay Prepared in Extreme Conditions: EVERLIT Emergency Reusable Kit - Ultimate Thermal Survival Gear
10 Review

π₯ Mylar Science Purchase: Your Ultimate Emergency Blankets
9 Review