[ABS + Silicone material]100% brand new and high quality. Made of good quality ABS & silicone, and lightweight. [It is water resistant,but don't submerge]IPX-II waterproof grade, 15 degree incline raindrop water resistant. [It is versatile can stick them all kinds of places]Small but very practical, can be used replacement for night running warning lights, backpack lights, clothing warning lights, outdoor location Identification flash, etc. [It is versatile can stick them all kinds of places]Small but very practical, can be used replacement for night running warning lights, backpack lights, clothing warning lights, outdoor location Identification flash, etc. [It is versatile can stick them all kinds of places]Small but very practical, can be used replacement for night running warning lights, backpack lights, clothing warning lights, outdoor location Identification flash, etc. [It is versatile can stick them all kinds of places]Small but very practical, can be used replacement for night running warning lights, backpack lights, clothing warning lights, outdoor location Identification flash, etc. [It is versatile can stick them all kinds of places]Small but very practical, can be used replacement for night running warning lights, backpack lights, clothing warning lights, outdoor location Identification flash, etc. [It is versatile can stick them all kinds of places]Small but very practical, can be used replacement for night running warning lights, backpack lights, clothing warning lights, outdoor location Identification flash, etc. [Lifespan]Adopts good quality LED, bright with low energy consumption. Built-in battery can provide non-stop lighting up to 50-100 hours. [It is versatile can stick them all kinds of places]Easy to use, can be clipped on clothes, hat, belt, bag, etc.