Large 18 * The Safetysure Transfer Pivot Disc Is Designed For Use By Patients Who Are Able To Stand But Cannot Readily Move Their Legs * Patients With Upper Body Strength Can Use The Sst Transfer Pivot Disc To Accomplish Independent Transfers * In This Instance It Is Recommended That Both The Patient And The Caregiver Wear An Sst Belt During The Transfer Process * The Use Of Both The Sst Pivot Disc And Sst Belt Provides Maximum Safety And Support * New Improved Rubberized Non-slip Material On The Top And Bottom Of The Stt Pivot Disc Holds The Disc Securely In Place On Any Surface.* Selection Of Disc Size Shoulb Be Based On Patient Foot Size Stance For Stability Anf Foot Placement Control * Made Of Three High Quality Polymer Plates With A Built-in Handle For Ease Of Carrying * Product Weight 3 Lbs * Weight Capacity: 400 Lbs *