This product is a bulk pack of 50 adjustable wired headphones, perfect for classroom use. The headphones are made by Hoteam and come in black. The package will weigh approximately 6 pounds. The size of each headphone is 5.5 x 6.3 x 0.4 inches / 14 x 16 x 1 cm. These headphones are suitable for students and offer comfortable wear for extended periods of time. Fold flat for easy storage.