This reusable panty-style garment pairs with your NeoHeat* to keep your device in place during treatment. The built-in pad is super absorbent to keep your treatment mess-free. Reusable and machine washable, so keep a couple of pairs on hand as backup on wash day. How to Use: Slide the NeoHeat pad into the pocket in the gusset of the NeoBrief, ensuring all 8 LEDs are visible and unobscured by fabric. Pull the NeoBrief up until the device is touching your body, and tighten the adjustable side straps until the garment feels secure. Wash after use. Features & Benefits: Light & Airy: Breathable mesh fabric Absorbent: Built in pad absorbs fluids Comfortable & Easy: Adjustable closures on each side makes taking on & off a breeze Eco Friendly: Made from sustainably sourced materials and is compliant with Prop 65 standards for quality and safety. Machine washable FSA/HSA Eligible: Get reimbursed through your health plan *NeoHeat sold separately