Bolsters, whose literal meaning is "reinforcement", are a kind of yoga cushions that have the function of strengthening the body's ability to achieve yoga postures in a relaxed and comfortable way, which is how this discipline should be practiced.
It is a cylindrical or rectangular cushion, mainly used in postures that require support on the lower back, upper back, chest as well as under the knees and neck. The Bolster is also widely used in restorative yoga and relaxation exercises.
For yoga cushion to perform its function correctly, it must have high density and be compact. This cushion is stuffed with buckwheat.