ARMBOARD IV ADULT REUSABLE 3.5X18 Reusable armboards are made of durable vinyl for long-lasting use Soft, spongy core forpatient comfort and a firm covering for stability Boards are reusable so they may be used again if desired. Reusable armboards are made of durable vinyl. These boards have a soft, spongy core for patient comfort and a firm covering for stability. Unit: CS