Warm Christmas Gift: The light up Christmas cap is printed with a lovely elk Christmas elements. Perfect for Christmas Xmas Party Favors. It's warm Christmas gift for daughter son dad mom boyfriend girlfriend family parents friends. Wear a LED Christmas hat to stand out at your Christmas partyOne Size Fits All: Each light up Christmas hats size is 22x25cm / 8.6x9.8in. Unisex led winter beanie sweater cap fit for kids, adults, men and women. Christmas LED knitted cap has good elasticity, it will be fitting closely, won't make you feel too tight or loose.Soft and Warm: LED Xmas knitted hat is made of double-layer elastic and soft acrylic fiber, comfortable to wear. LED Christmas sweater hat has double layered liner can cover the ears keep your head warm and cozy in cold weather, fit for wearing at indoor and outdoor.Easy to Light: There is a hidden switch(ON/OFF) inside the seam of the Led Christmas hat, just press the switch and the light will flash. Light up Christmas cap has 3 different light modes, including solid, twinkling and alternating patterns, each press could switch a setting, the 4th press could turn the lights off.Powered: Our warmer xmas knitting beanie LED flashing lights powered by 2 * CR2032 lithium coin cell batteries (included), can last about 36 hours. Xmas hats can't have batteries replaced, but it is still a warm hat in winter, which does not affect the use.