Make their cake look even sweeter with Here’s to Your Birthday Number 40 Birthday Candles! The molded 4 and 0 number candles are covered with shimmering blue and silver glitter. Watch their face light up when they see these 40th birthday candles on their cake. This milestone birthday will be one to remember with these shining blue candles! Here’s to Your Birthday Number 40 Birthday Candles include: Number 4 candle 2in wide x 3 1-2in tall Number 0 candle 2in wide x 3 1-2in tall.