How much does this cost to the nearest dollar?

Wobble Balance Board for Standing Desk/Anti-Fatigue Office Foam Pad - Standing Desk Mats, Rocker Board, Office Accessories, Wobble Board With Massage Ball
EXTRA MASSAGE BALL This upgraded wobble board features a built-in massage ball for soles which can rotate 360 degrees to improve energy level and efficiently relieve stress STRONG AFTER SERVICE We commit to provide excellent and professional after sales service to every customer so you can be worry free, enjoy your item and start enhancing your health now GET THE MOST FROM STANDING Wobble balance board is an excellent accessory for your work life, use it as a standing desk mat to improve standing posture and avoid the drawbacks from sitting long periods; Suitable for working out right at your workplace ERGONOMIC SMART DESIGN It helps users strengthen targeted muscles

Price is $54.00

Price: $54.21