The perfect gift for any whiskey lover; celebrate special occasions like father's day, birthdays, weddings; makes an excellent hostess or housewarming gift, gift for a best man, firefighter or husband. Set of 2 Extra Large 100% natural marble 2-inch stones, includes a convenient black velvet storage bag for easy transporting and keeping the marble rocks clean while storing in the freezer when not in use. The solid square stones cool your drink without watering down your cocktail or altering the taste of spirits, ensuring a smooth and leisurely drinking experience while enjoying the finest aromas in your glass. Hand wash and rinse with clean water and air dry; mild soapy water can be used however detergents and soap can leave a trace taste or scent due to porous properties of natural stone.