Professional structural design, ensures uniform lighting without showing pixels. The sheath is made of good quality silica gel materials. It can work in high temperatures or outdoors. This sheath is non-corrosive. It is insoluble in acid and alkaline substances. The waterproof grade of IP67, has good waterproof performance. It is used to create any shape, it is soft and easy to bend. Easy to install. Maximum width of the led strip 12mm.