TOGETHERNESS IN EVERY CUP For over 70 years, Glen Tea has been a firm favorite (largest selling tea bag brand in terms of volume) among South Africans thanks to its strong, fresh flavor. Even though times have changed, Glen tea still promises to really go a long way. A good, quality brand at a good price. There’s no doubt – everybody loves a good cup of Glen tea, especially when it’s shared with friends and family.