Birth and up. Stay warm and cozy with this cute and cuddly Warmies Microwavable Plush Opossum! Simply warm up in the microwave and you will have a warm, huggable friend in no time. Warmies feature a gentle, relaxing lavender scent. Warm time: 60 seconds in a 1000W microwave. Heating instructions are on the sewn-in label and should be followed very carefully. Must only be used under careful adult supervision. Plush Opossum measures 13"" long. Facial expressions may vary.