Safety Material - The backpack water gun is made of safe environmental plastic material, round edge design protects your kids hands.High Capacity - 8.9"(L) x 5.9"(H) water gun, 25"(L) hose, 10"(L) x 8.5"(W) backpack tank that can holds 1900ML of water, one time full filling for many times shooting.Water Gun for Kids & Adults - The backpack tank comes with an adjustable backpack strap that make it suitable for toddler, kids, teens, adults.Easy to Use - open the cap and fill the tank and pull the handle back to fill the tank, then push in the handle to unleash a huge stream of water at your targets, max shoot up to 5-8 meter.Perfect Summer Toy - Holding water gun and starting a team fight with your family members, best friends and trying to win the battle with your great team cooperation, Perfect summer water fight in parks, swimming pools, beaches, parties, and any more water party activities.