If your item includes any personalised elements, returns & exchanges will not be accepted. The hourglass represents the cyclical nature of time, with the sand flowing continuously from one bulb to another & then reset by flipping the device. This cyclical flow can symbolize the repetitive nature of life, cycles of the seasons, & the ongoing passage of time. in essence, the hourglass is more than just a timekeeping device; it is a symbol of the relentless march of time & a reminder of the preciousness of each moment. Its enduring presence in both historical contexts & contemporary settings highlights its significance as a timeless icon. -15 Minutes / Empty hourglass: Height 18cm / 7 in, Width 15cm / 5.9 in. /Production time & delivery time/: Production time is 3-7 working days. If you need expedited production for special circumstances, please let me know in advance. Buyers in the British Isles will receive it within 2-4 working days after delivery, & 3-7 days in other regions. Very few remote areas will take more than 15 days. If you have special requirements, such as expedited transportation, I can charge additional logistics fees for expedited transportation for you. Custom Engraving Pair Of Refillable Sand Timer Bookends, Wedding Ceremony Unity Sand, 15 Min Timer, Anniversary Gift, Home Office Decor