Kids Christmas LED Light-Up Knitted Ear Cover Chin Strap Fuzzy Faux Fur Pom Pom Sherpa Fleece Lined Cuffed Beanie -Dimensions: Appx. 10.5" * 8" * 1" (Strap Length: 8") -3 Level LED operates on inner non-replaceable battery push button switch. -100% Polyester -CA Prop 65 Advisory -Packaging Details: Individually packed in clear pouch, then as a whole in clear OPP bag. -DISCLAIMER: The batteries on light-up items such as these are non-replaceable.