Feel Fragrance &trade;'s Large Square Glass Diffuser Bottles Set of 4 - 3.7" High,180ml 6.1 fl oz. Fragrance Accessories Use for Diy Replacement Reed Diffuser Sets with Essential Oils,Reed Sticks. Sturdy,clear, solid, heavy bottom, clean, glass bottle with caps, saftey packing in 4 pcs. Classic shape- square size. classic design, always popular using at home. Use for Diy Replacement Reed Diffuser Sets. Large Square Glass Diffuser Bottles Set of 4 - 3.7" High,180ml 6.1 fl oz. Note: The picture reeds are not included, you can find and buy in our shops if need.