Pyrex manufacturer Arc International says that its prices will have to go up later this year.
The company says that it has had to deal with a rise of up to 100% in the cost of energy, and other rises in the cost of raw materials and transport.
It says it can no longer absorb the increases and will therefore be putting up prices on its products by an average of 15% as of October 1.
Along with Pyrex, Arc’s brands include Cristal d’Arques, Luminarc and Arcoroc.