Composed of glass and sand, the housing protective cover is made of durable plastic, waterproof and unbreakable. The interior of the sand glass is smooth, so the sand can go unobstructed and not get stuck. You can do many things with these visual timers. You can use them as classroom timers to encourage focus on a task, or as toothbrush timers for kids Size:16*11*4.5cm Weight:About 15G

Color:Blue/Pink/Green/Purple/Yellow/Orange

Material:Plastic+Glass

Size:16*11*4.5cm

Name:Sucker Hourglass

Package Include:1 pcs Sucker Hourglass

Weight:About 15G

Applicable to: home furnishings and gifts