3/8 Inch Pink Color Changing Curved Side Release Buckles. These buckles change color in the sun. (10 Pack).
The buckles are a translucent white until exposed to sunlight/UV light. Then they rapidly change color. After returning indoors/stopping exposure to UV light, the buckles will change back to translucent white. Excellent for 550 paracord projects, youth camp crafts, science fair projects and more.