NO RETURN, NO REFUNDS, NO EXCHANGE. 1. 7 height adjustments, up to 100 cm. 2. Smooth vertical lifting 3. Lightweight yet sturdy aluminum alloy 4. Food grade PP material 5. Three child locks for added safety 6. Patented design 7. Easy assembly and no-fuss installation - 2 rails need 1 set of connectors - 3 rails need 2 set of connectors Color: Grey *Kindly measure your mattress first before purchasing to ensure the correct size. *Please ensure mattress is heavy and thick enough to support bed rail base. KINDLY ENSURE THAT YOU HAVE PROPERLY CHOSEN THE CORRECT SIZE OF BEDRAIL. We cannot entertain exchanges. Thank you for understanding. Click here for Bed Rail Manual