product Flammable Solid 4 50mm perm paper 

sold in units of 1000 labels 

"Flammable Solid 4" labels are used to indicate solids that can ignite spontaneously or through friction, heating, or contact with moisture when exposed to air. These labels are typically attached to packages containing solid materials prone to catching fire easily or spreading fire. They are important for safely handling, storing, and transporting materials to prevent accidents or fires.