Susp s: Material: Polyester. Color: As shown. Size: Approx. 2.5 x 120 cm (1.0 x 47.2 inches). Battery type: 2 x CR2032 batteries (included). Bow tie: Material: Polyester. Color: As shown. Size: Approx. 6 x 11 cm. Battery type: 2 x AA batteries (not included). High quality for durable and long-lasting use. Fashionable, comfortable, and soft. Wear this glowing susp s set at a club, bar, party, concert, or event. Each set includes a small battery pack with a button that controls 4 modes: Off, Constant On, Slow Blink, Fast Blink. The battery pack uses two replaceable CR2032 batteries (included) and provides several hours of continuous use. To replace the batteries, slide the battery pack out from the fabric and remove the screws using a small Phillips screwdriver. Due to different production batches, product details may vary slightly. Please note this before purchasing. Allow 1-3 mm variation due to manual measurement. Due to differences in display screens and lighting, the actual color may vary slightly from the image. Thank you for your understanding.