CastleFlexx Dual Hot & Cold Therapy Packs | Gel-Free, Flexible & Reusable for Neck, Shoulders, Joints & Muscles | Microwave & Freezer Safe | Ideal for Daily Relief - Stone

CastlePacks Hot & Cold Therapy Pack Designed for everyday muscle tension and recovery, CastlePacks provide flexible temperature therapy without traditional blue gel. The innovative gel-free interior molds naturally to your neck, shoulders, and joints for comfortable surface contact whether heated or chilled. DUAL TEMPERATURE USE Use heat to help relax tight muscles after long screen sessions, workouts, or daily strain. Chill in the refrigerator or freezer for cooling comfort following activity. CastlePacks are built for convenient, reusable hot and cold therapy in one streamlined design. STAYS FLEXIBLE WHEN COLD Many ice packs freeze stiff and rigid. CastlePacks remain pliable when chilled, allowing the pack to contour more comfortably to the body for consistent coverage. SMART, NON-TOXIC DESIGN Made without traditional blue gel materials. The premium, wipe-clean exterior is designed for durability and repeated daily use. VERSATILE FOR DAILY USE Ideal as a neck ice pack, shoulder heat pack, reusable heating pad, or flexible cold pack. Use at home, at work, or while traveling. *Always follow heating instructions. Do not overheat.

• GEL-FREE, NON-TOXIC DESIGN – Made without traditional blue gel. Designed with a flexible, body-conforming fill that molds comfortably to your neck, shoulders, or joints.
• DUAL HOT & COLD THERAPY – Use as a microwave heating pad or refrigerate/freezer chill pack. Ideal for daily neck tension, post-workout muscle soreness, and screen-time strain.
• STAYS FLEXIBLE WHEN CHILLED – Unlike many cold packs that freeze solid, CastlePacks remain pliable to contour naturally to the body for consistent surface contact.
• MICROWAVE & REFRIGERATOR READY – Heat in approximately 30–40 seconds* or chill as needed. Designed for convenient temperature therapy at home, office, or travel.
• REUSABLE, DURABLE & WIPE-CLEAN – Premium exterior material designed for repeated daily use. A versatile hot and cold pack for neck, shoulders, back, knees, and more.