MATERIAL - The Gingko Smart Book Light Mini is made from natural wood and is finished in light maple.. DESIGN - The beautiful, exquisite design opens to full 360 degrees with cleverly concealed magnets and the lovely soft touch papers are tear-proof and water-resistance that are lightened up by long-lasting LED lights. Inside the laser-cut wood cover lies an interior lamp body made from durable, water-resistant Tyvek "pages" containing high-performing LEDs.. SIZE - The approx size of the product when closed is 16cm / 6.2inches h x 10cm / 3.9inches w x 4cm / 1.5inches d. When open the approx size is 16cm / 6.2inches h x 18cm / 7inches w and 4cm / 1.5inches d.. CARE - Book light can be opened to 360 degrees and has a built in battery, comes with a micro-USB charger. It is assembled by hand and has a battery life of up to eight hours. The colour temperature is 4500K (Maple) Soft White.