zssg047

1.Time: 15 minutes 2.Solid wood frame 3.Customer design logo are welcomed 4.Any color are available fashionable wholesale handicrafts glass sand clock It has two connected vertical glass bulbs allowing a regulated trickle of material from the top to the bottom..Once the top bulb is empty,it can be inverted to being timing again.Factors affecting the time include the amount of sand,the bulb size, ...