Enjoy playing badminton at night with these Ohuhu led badminton shuttlecocks 4 x led feather shuttlecock (red, green, blue and color-changing) - perfect for playing in the dark environment. Led lights installed in the back of the cork, with on/off push button. Material: Goose feather, feather, smd lamps, electronic products. Cork ball head and each shuttlecock only weights about 6.7g/0.24oz. Inexpensive shuttlecocks for beginners. Specifications: -Package dimensions: 7.3 x 2.5 x 2.5 inch -product weight: 60g package includes: -1 x red led shuttlecock -1 x green led shuttlecock -1 x blue led shuttlecock -1 x color-changing led shuttlecock.