Multiple bolus options for your patient’s anatomy, imaging approach, and treatment workflow.


Keep tattoos, positioning lasers, and air gaps visible through a clear, conformable bolus.
Explore ClearSight ↗
A matte white finish provides optical contrast and reduces glare for surface-guided workflows.
Explore ClearSight OPTI ↗
A high-density, moldable bolus for creating a personalized fit around complex anatomy.
Explore eXaSkin ↗Explore gel padding, brass mesh, and heat-moldable thermoplastic sheets.

Mildly adhesive gel that can be cut to shape and layered for different thicknesses.
Explore Elasto-gel ↗
A highly conformable mesh option for chest wall applications.
Explore Brass Mesh ↗
A non-perforated thermoplastic sheet that softens for molding around irregular surfaces.
Explore Sheet Bolus ↗Tell us about your treatment workflow. IOS can help you explore materials, sizes, and product information.