It is worthwhile to buy this light because it offers low power consumption, high brightness, and long-term use. This LED light is a great decoration for balloons and hand-held paper lanterns; you can choose the right color according to your preferences and the specific environment to meet decorative needs. Made of high-quality PP material, this product is lightweight and durable. The length of the product is 3.3 cm, the width is 1.4 cm, and the height is 1.2 cm. It has a switch and can float in balloons larger than 10 inches filled with helium, making it suitable for balloon decorations at birthday parties, weddings, wishing lights, bars, and other festive venue decorations. Item Name: Balloon Light Material: PP Battery: 2 x Button Batteries (Included) Features: High Brightness, Durable, Waterproof Size Details: 3.3 cm x 1.4 cm x 1.2 cm / 1.3" x 0.55" x 0.47" (Approx.) Notes: Due to lighting and screen setting differences, the item's color may be slightly different from the pictures. Please allow slight dimension differences due to manual measurement. The quantity is approximately 50 pieces; due to manual counting, the quantity may vary by 1–5 pieces more or less. Package Includes: 50 x Balloon Light