About this item SITSMART POSTURE PLUS - WEATHERPROOF/ WATERPROOF: It?s crafted with a weatherproof ,durable, flexible proprietary EVA that's strong enough to support you in optimal posture while still reacting to every move you make. Perfect for in- outdoor use. NATURAL, SAFE AND EFFECTIVE BACK PAIN RELIEF: Relieve back pain and discomfort through correct posture. SitSmart positions your body to naturally relieve pressure and keep you comfortable for hours. MAXIMUM COMFORT FOR LONGER PERIODS OF SITTING: It provides all-day posture support to keep you feeling comfortable for hours. Patented shape cups glute muscles relieving pressure and strain on tailbone and sit bone, provides comfort and relieves tension and pressure on the spine and pelvis. TILTS THE PELVIS UPRIGHT TO ENGAGE CORE MUSCLES: SitSmart encourages your spine to move, "float" and adjust while sitting, Its patented design works by tilting your hips upright and comfortably "floating" your spine over the seat, you feel refreshed even after hours of sitting. Backjoy Sit Smart Posture Plus is designed to provide the correct posture while sitting thus protecting the user from various back problems in the future. It comes in black, blue, red and surf colours. Uses: It is designed in a manner that stops the body from slumping while in a sitting position and thus helps maintain the correct posture with ease. Product Specifications and Features: Cups the gleutus muscles Floats the pelvis off the sitting surface Tilts the hips up right Directions For Use: Sit on top of it Pull it snug under you For more clear directions, please refer to the package Safety Information: Read the manual carefully Do not place it behind you Place it completely under you Store in a cool and dry place Store away from children