Made of hard plastic ( silicone ), and not easy broken 29 different scraping angle, fast effective and easy to use Professional silicone sealant tool kit, this set includes 9 tools with a variety of sealing edge sizes and shapes, easy to use, creates a good looking seal, reduces wasted caulk or sealant, can be used indoors or outdoor on caulking and sealing projects., Weight: 0.40344593946 pounds, Manufacturer: FOIJPPINP