Umbrella sign cone is designed to fold and fit into its case for easy storage and no assembly is required, simply pull the sign out of its case and prop it open. The printing and colors can be customized. After folding, it is small and lightweight. Easy to carry. The plastic box is with a small hole and there is a screw. You can hang it up. A flashing light for the signs is also available to better alert people. Buy umbrella sign cone, yellow sign cone, cuatomized sign cone, portable three sided caution cone, yellow umbrella cone, pop-up safety cone, pop-up sign cone,  at best factory price in Chengdu RongXiang Technology Co.,Ltd specilizing in manufacturing traffic safety equipments.