SmoothBag™ is an inflatable sofa that fills with air within 10 seconds, is immensely comfortable and can be described as a brilliant combination of an inflatable couch with the straightforward air-proofing technique used on dry-bags in diving.
No external pump is needed what so ever
Step 1: Unroll your SmoothBag™ and grab the opening ends to open the bag up
Step 2: Sway your SmoothBag™ around once or twice to fill it with air
Step 3: Close the open end and roll it up until the SmoothBag™ is sufficiently filled with air
Step 4: Click the closure clips into each other and enjoy your SmoothBag™