About this itemnunique hourglass that is one a kind sand timer clock. Our handmade hourglass makes an exclusive nautical gift that sparks interest and appreciation. It also makes a unique home decor adding a slight vintage feel to any room. Sand timer is classic This table top item can give your office a decent table view. Brass and wooden made polished to shiny finish. Sand timer empty one side sand in approx 5 minutesnMaterial : Brass, Glass & SandnSize : 3.7 x 3.7 x 6 Inches, 9.4 x 9.4 x 15.2 cm ApproxnFinish : Antique & Black SandnAn hourglass has two connected vertical glass bulbs allowing a regulated trickle of material from the top to the bottom.nOnce the top bulb is empty , it can be inverted to begin timing again. we have already set the time on sand . It will run as per our description time limitnUnique Gifting Item Family & Friendnwe are provide best quality our customer