All age groups can have hours of fun using their Warmies� Neck Wraps. The Neck Wraps are fully microwavable yet entirely safe to hold tight. Warmies� Neck Wraps are gently scented with French lavender that is carefully sourced from local growers in Provence. 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.