This clock is composed of quasi-concentric circles in alternating black and white colors - the effect is simlilar to that of a balck hole that pulls everything in it. - Material: plywood (birch) - 6+4mm - Manufacturing process: laser cutting, polishing, hand painting, manual assembly - Colors: black, white, red - Surface finish: hand painted - Display: analog - Shape: round - Clock movement: silent / non ticking - Battery requirement: 1pc AA 1.5V (not included in the package) - Hands: metal - white - Diameter: 16 in / 41cm - Depth: 1.25 in / 3.5cm -Weight: 1.3 lbs / 0.6kg - Production lead time: 3-5 days - Transit: ~1 week Please note: although this product ships for free certain countries above certain product value may still charge customs duty and/or tax (VAT). In this case this fee is collected by the carrier. Feel free to request custom color schemes made just for you (contact us before placing the order). Color customization costs no extra fee.