Our 3″ Self-Adhesive U-Clip sign holders are not only easy to apply, but they also stick to walkways and doors, making them ideal for any workplace. Simply slide in the safety sign of your choice and you’re good to go. Designed to fit .118″ material thickness, these clear double-sided view sign holders are the perfect addition to any warehouse or workplace looking to optimize their signage. And with 100 pieces included in each set, you’ll have plenty to cover all your safety needs.