Operation and characteristics of the Hot Poc: -Click the disk to release heat. -Temperature reached varying between 50 and 57° C. -More than 100 uses. Additional information by Hot Poc format: Regular – Generates lasting heat for up to 30 minutes, dimensions of 8 cm x 9 cm and mass of 60 grams per unit. The set includes the following products: -Hot Poc metal case -2 Hot Poc regular size -A boiling bag Features: -Ski & Hike pattern -Heat activated in 3 seconds -Reusable up to 100 times -Economical -Safe, natural and odorless