Material: PlasticBackpack Tank High: 29cm/11.4"Length: 20cm/7.8"Max Capacity: 0.75LSuitable: above 3 years old Features:1. Suitable for beach、 beach、 lake、 tourism and other outdoor activities.2. Fill up the water.3. push the front of the water mop、 by means of high pressure gas injection water.4.Package: 1* Water Gun