Features: Ancient principle This exquisite glass bird barometer uses an ancient principle that changes in air pressure can predict changes in weather conditions. Weather forecaster With the glass bird barometer, according to the state formed inside the bottle, you can predict sunny, cloudy, fog, storms, snow, etc. Decoration Whether you are looking for a fun and unique decoration for your table or desk, this weather station definitely impresses the people who see it. Attractive appearance The weather predictor is made of high borosilicate glass for excellent quality, creative bird design is cool and unique. Fashion gift The best gift for storm glass bottle is an executive gift for Christmas, Valentines Day and birthday to your friends, classmates, sisters, brothers. Specifications: Type: Weather Predictor Material: Glass Color: Transparent Type:look up/without looking up Size: 7*6*4cm/2.75*2.36*1.57inch; 8*5*4cm/3.14*1.97*1.57inch Net weight: 90.0g/3.17oz