Your HEST Sleep System is simple to assemble:1. Unroll sleep system2. Screw tube in to “OUT” port of pump3. Remove valve cap on the dropstitch base4. Press down on spring-loaded valve stem & turn clockwise until it springs up. The valve is now closed & will hold air.5. Insert pump tube in to valve & inflate w/ pump6. Inflate to desired firmness. (Pump dial does not register until 7 PSI. We recommend under 10 PSI. Do not exceed 15 PSI.)7. Attach valve cap.8. Sweet dreams!