REASONABLE Capacity backpack water gun: Fill water guns tank once and enjoy plenty of spraying. It is ideal for water warfare and summer pool beach outdoor entertainment, Great for kids toddlers teenagers adults.(It is recommended to add water not more than 80% of the capacity)Have fun all summerEasy to use and Long-Distance Shooting Distance: Just Pump to Shoot after Filling Clean Water. this backpack water gun toy can release a shooting distance of more than 27 feet (8 meters). Even a three-year-old kid can easily shoot the water out of about 10 feet (3 meters). Do Not Aim at Eyes or Face!!!No water leakageWe have upgraded the hose and valve of the water gun better, so you don't need to worry about water leakage. Water blaster toys are perfect for children's gifts in summer.Adjustable backpack stripsAdjustable straps, can be customizable to fit all sizes. The maximum size of the strap is 31 inches(80cm), and usually both children and adults can use our backpacks. If you are a big person, please measure your backpack before buying. Water blaster toys for kids.Summer gift for kids, toddlers, adult..Our 2021 new upgraded backpack water gun is especially suitable for any summer outdoor activities such as swimming pools, beaches, beaches, courtyards, etc. It is the most interesting gift for children in summer. Let your children enjoy the fun throughout the summer.