The HamiltonBuhl SOP-SC-7V Sack-O-Phones- 5 Pack of Hamilton SC-7V Deluxe Headphones with Leatherette Ear Cushions and Volume Control. Sack-O-Phones packaging is a unique bag that doubles as a knap sack and holds 5 deluxe or 10 personal headphones. It's a great way to store headphones easily and economically, no need for costly plastic cases for storage. Sack-O-Phones Includes:(5) SC-7V Deluxe Headphones with Leatherette Ear Cushions and Volume(1) Sack-O-Phone Carry BagCompatible with:MP3 PlayersCell Phones / Mobile DevicesTablets / eReadersChromebooksComputers (Mac & PC)CD Players / StereosTVsMost Gaming SystemsBuilt with kid's health and safety in mind, these headphones are designed to combat the spread of head lice in schools. Each headphone comes in its own heavy-duty, write-on, moisture-resistant, reclosable bag. When sealed in the bag, lice are killed in 24-48 hours, without the use of chemicals.