To Promote Love. Known as the crystal of unconditional love, Rose Quartz opens up your heart to accept and give love. Perfect for those searching to bond deeper, new mums and those wanting to be able to express their love more freely. Holds approx 450ml of water. Include bonus neoprene water bottle cover. We use Borosilicate glass which is lead free, BPA free and more resistant to thermal shock. Our stainless steel is food grade, meaning it won’t rust!