MADE OF PREMIUM MATERIALS: Made of high-quality wood and glass, non-toxic, heat-resistant and long-lasting, it is the perfect must-have accessory for your sauna/bathroom. 15 Minute Timer Sand takes exactly 15 minutes from top to bottom. This hourglass timer is designed for daily use, not an observatory timer, so there may be a slight time deviation. Since sand flow is affected by temperature and humidity, there may be a 3% time and size deviation. Luxurious craftsmanship Luxurious craftsmanship, modern silhouettes, exquisite and silent, recording every second. The fine sand flows slowly, making for a great time and wonderful memories. This is a cool timer. It is easier to cultivate children's sense of time. The heat-resistant and durable sauna timer is designed to withstand the high temperatures and steamy environment of a sauna. It can also be used for other purposes such as classrooms, yoga studios or gyms, or any other scheduled use. Application for Valentine's Day gift, birthday gift, kitchen cooking, playing games or practicing timing, wedding gift, bedroom or office or table, crafts, home decoration decoration, personal collection, classroom, desk decoration, dining room, living room home, holiday Christmas and New Year, coffee table, bookshelf. Quantity: (1 Pack) Sandglass Timer, other products not included Size: As shown (for reference only) Color as shown Note, because there may be color and size differences between photos with light effects and the actual product, please allow 1-2 Centimeter error