【Durable and Heavy Duty】 Piscifun waterproof back pack is made up of 500D PVC which proves to be durable, safe and protects your items when outdoors..【Sealed and IPX8 Waterproof Phone Case】 The backpack comes with a fully welded seal which helps in a stronger, durable waterproof construction. It also comes with a waterproof phone case, which is suitable for phones up to a diagonal screen size of 6.5 inches. They also have a touch friendly design as it helps you to operate your phone during water activities..【User Friendly Design】 Each of those super user friendly dry bags have adjustable shoulder straps. They also have an outer mesh pocket which helps you to hold things which gives you space for non-dry storage..【Convenient Shoulder Strap】 These dry bags have adjustable double shouldered straps which provide safety and stability while wearing the bag. These sturdy straps help the bags in not slipping off the shoulders during the water activities..【Multifunctional】 These waterproof bags also float on the water when rolled and buckled, which makes it visible to you all the time even on the water. are perfect for camping, beach, fishing, hiking, kayaking, rafting, skiing, snowboarding and boating. They also make the perfect gift for outdoor lovers.