Attach these specialty foam inserts to your Teeter FitSpine(R) Inversion Table to open the shoulders and chest, promoting better posture and healing to release muscle tension. FEATURES: Fits on Teeter FitSpine Inversion Tables Draws the shoulders back and opens the chest and hips for improved flexibility and circulation Encourages the release of built up tension Reverse the effects of "tech neck", slouch sitting and poor desk posture Use the Upper or Lower Cushion alone for targeted support Since 1981, Teeter has remained committed to helping people feel better, move better, and live better OTHER: Compatible with the FitSpine X1, X2, X3, LX7, LX9, and FT1 Teeter Inversion Tables (sold separately) Secure in place with the included fastening nodes Made with durable polyurethane foam to prevent wear and tear Use the free Teeter Move(R) app to access guided sessions, product support, and more US-Based product support experts via phone, chat, or email WARRANTY: 1-year manufacturer's warranty