Before microwave heating pads and fastening menstrual relief programs existed, hot water bottles were the MVPs in heat therapy. These tools are well-proven to soothe all possible discomfort and keep you warm on a cool day. However, they are especially useful to have on hand when menstrual cramps strike, as heat can help relieve some of the pain associated with menstrual cramps.

They are also quite comfortable when your electrical outlet is not near your sofa, as most electric heating pads require.

Whether you do not have a hot water bottle or just need a cozy lid for the one you already own, we rounded up eight different shopping options you should consider.