Globe® Scientific 456500 Series Test Tube Rack, Rack, Tube, 16 17mm, 60 Place, Red, 1 Each Corded Massagers 6lbs * A double stitched Autoclavable Up to 325 6lbs * A double stitched exercise weight for the upper or lower extremities * Features velcro type closures heavy duty vinyl cover and each weight is stamped with both pounds and kilograms * Also features hanging hole for weight storage rack * Rehab ankle or wrist weight * Tiburon is engineered to pass the industry standard tests that measure fluid and synthetic viral penetration Can be used in freezers without deforming or going brittle wet or in water baths because they will not float