1. Material: This RV rectangular porthole is made of tempered glass and Plastic material, therefore, it is very , strong, long-lasting and not easily . You dont have to worry about product quality issues at all. 2.Easy Installation: The two joints of this yacht porthole can be loosened, which is convenient to swing and open the porthole. With its low-profile hatch design, you can effortlessly mount it on internal or eternal flat surfaces. 3.Wide Range of Usage: This rectangular tempered glass porthole is suitable for installation on yachts, RVs, or industrial vehicles. It can meet your diverse needs and bring great convenience to your life. 4.Perfect DIY Decor: This tempered glass porthole is a must-have to or kids room. Its perfect for pirate decor themes. With its help, you can really get . Colour:Black Material:Plastic + tempered glass Package Contents: 1 RV Porthole Port Hole Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.