Easy to inflate: No pump is required, the main trick is to make sure you close your air inlet before the end of each movement and keep your mouth closed, until you start the next to catch the air. When the blow- up lounger is filled with about 80% of air simply put both ends together and roll the sealing strip at least 3 times to ensure there is no air leakage, buckle and you're all set. Anti-leakage design: Inflatable lounger inner layer is a PE bag, the outer layer is polyester. Which has two independent sides, it can be inflated separately to reduce leakage. The inflatable hammock is made from strong and durable waterproof polyester which is lightweight and has an anti-tear feature. It will stay inflated for at least 5-6 hours. As time goes by, you can tighten the sealing strip again to keep the sofa compact. Anti-collapse mesh bottom: The inflatable couch adds a mesh bottom design, breathable and cool, and will not let you collapse in and touch the ground. Can use by 3 adults at the same time. It perfectly solves that most sofas will produce a sultry sensation in summer, which leads to peculiar smells on the back. As well as after lying down or sitting down, be swallowed and couldn't get up. The unique shape ensures better relaxation. Complete configuration: The air hammock is equipped with a portable carry bag , Metal stakes, and a metal bottle opener. Metal stakes can be used with a built-in security loop to prevent it from moving when it's windy, Large side pockets of the sofa can store snacks, sunglasses, iPad, and ice-cold beer. Whether you're at the campsite, sunbathing, BBQ or music festival, this sofa is the perfect accessory designed for men and women who love to travel and outdoor activities .