The strainer will help you strain the tea leaves and the Bigmouth opening will help you clean it very easily. The glass teapot is made entirely of heat resistant borosilicate glass. Good for brewing hot, iced tea, coffee (bag coffee). It can be used in many other situations; wedding gifts, housewarmings, birthdays, Valentine's Day gifts, Mother's Day gifts, Thanksgiving. OUR GUARANTEE We are confident that we offer some of the best products on the market. Therefore, we provide a 30-day guarantee. We will make every effort to ensure that you are completely satisfied with your purchase. Online shopping can seem daunting. We want you to know that there is absolutely zero risk of purchasing something. We won't make it difficult if you don't love it. We offer email and ticket support 24 hours a day, 7 days a week. If you require assistance, please contact us. Please contact customer service if you have any problems with your purchase.