[Silver Ball Catch Double Doors without Jamb] 3-Lite Frosted Glass Pine Wood Solid Core Glass French Door Panels Bi-Fold Door with Sliver Ball Catch & Handles & Hinges, Jamb Not IncludedUpgraded glassThe door is made of solid natural pine wood and tempered glass, which is paintable and stainable. Made from 100% natural pine wood, the knots on the door clearly indicate this. It carries the subtle aroma of fresh wood. Solid core Pine WoodHigh quality material made of solid unfinished pine wood and ready to be stained. 70% more sound dampering than hollow core & more energy efficient, help lower heating and cooling costs Widely usedBall