<b>How to inflate the balance board ?</b><br> 1) Find the hole on the 4th outer ring;<br> 2) Insert the needle of the pump into the tiny hole for inflation; Carefully insert the needle at a slight angle 10-70° into the valve.<br> 3) Be sure the needle is fully inserted to the hole, otherwise, it might be very difficult to inflate the balance board.<br> 4) Stop inflating when the cushion's height reaches 2 inches height, Do not over inflate.<br><br> <b>Back Pain Reliever & Effective Massage Therapy:</b><br> <b>Sitting</b>: Good for active sitting, muscle strengthening and joint<br> <b>Standing</b>: Increase feet, knee, ankles and hip stability<br><b> Back strengthening Exercises Core Stability</b>: Great Workout equipment to help you improve balance.<br><br> <b>Instruction:</b><br> Insert the needle of the pump into the tiny hole for inflation; Insert the needle only without the body of the pump into the hole for deflation. Find the hole on the 4th outer ring--One spiky dimple is replaced by that tiny hole. Package includes: User manual/Pump/Needles.<br><br> <b>Warning:</b><br> Product is not for children under 3, pump is not a toy.<br> Adults use only before commencing exercise, always consult your doctor or therapist.<br> <b>Kind notice: All Trideer branded products are sold exclusively by Trideer. Please always check the seller information before your purchase.</b>