High quality and safe materials: 30th Birthday candle are made of high quality environmentally friendly wax, odourless non-toxic and safe to use, burn evenly and consistently, easy to insert and light, bright colours are not easy to fade, allowing you to use with confidence for a long time. Novelty design: Metal style numbers creative design candles with a strong three-dimensional feel, bright colours and brilliantly bright when lit. Our wedding anniversary decorations will bring a romantic and elegant atmosphere make your party even more beautiful and unforgettable for a lifetime. Product size: Each numbers birthday cake candles measures approximately 5cm/2 inches in length and 1.26cm/0.5 inches in thickness, with a total length (including holder) of approximately 11.5cm/4.5 inches and a burn time of approximately 3-5 minutes, give you enough time to make more wishes. Where to use: Numbers happy birthday candle are suitable for birthdays, anniversary parties, weddings, Father's Day, Mother's Day, graduations, theme parties, retirement parties, family reunions, baby showers and other celebrations to give you better inspiration for photos and surprise and bring back fond memories to your friends and family. Packing list: Receive 2 birthday decoration number candles, beautiful appearance, can be used individually or combined together, suitable for men, women and children.