Warmies offer a range of microwavable Home Therapy products that includes Warmies® Plush Eye Mask.
Dimensions: 8.5" l x 4" w x 2" h

Heat them up quickly in the microwave time and time again without any concerning the loss to heating capacity in the long run. That makes them a smart short- and long-term investment. Quick facts: Simple to use - just warm in a microwave. Can be reheated hundreds of times. Do NOT immerse in water or wash in the washing machine - surface clean only with a damp sponge.