Socket sack flaxseed eye pillows can be used hot or cold to soothe: Headaches and migraines. Tired eyes and stress. Sinus pressure and allergies. Approx. 3" x 8" Packaged with a branded instruction tag and care card in a poly or cello baggie. Products can be displayed with or without the bags. If you prefer your shipment with no plastic, please send a message. Thank you for helping the environment! Tag reads: Microwave 30-40 seconds with a cup of water or freeze in a plastic baggie for one hour. Rest on tired eyes and melt (or cool) the stress away. Handle hot items with care. Spot clean only. 100% cotton filled with flaxseed. Handmade in New England, USA.