You will get 12 Packs of 12 colors, each Bulk Headphones Individually Sealed. Lightweight and comfortable, the classroom headphones are only 1.69 ounces, with soft earcups, so you won't feel uncomfortable even if you wear them for a long time. Headphones for class set is not easy to break; the L-shape jack design makes the jack stronger and not easy to be damaged. The 3.5 mm jack can be adapted to your pad, phones, computers and other devices. Provide you with stereo audio clarity and nice sound quality Wired Earphones