The most versatile and beautiful preserving jar available today.Use them to serve your products for stunning reactions of your customers! Weck canning jars are made with thick glass to withstand boiling, sterilising and processing over and over again.Plastic covers preclude issues with rusting, and keeps the content fresh for a long period.This is the astoundingly popular Tulip jar shape! The Weck company has been successfully providing canning equipment in Europe since 1900.Home canning has become a very popular and healthy way to preserve foods, especially when produce is home-grown, given to you, or available at a farm market in your area.Weck canning systems provide an economical as well as rewarding experience.