great for hand sanitizer [SEP] these silicone bottles are super easy to open and fill they can then be clipped onto something like a back pack or a purse i have one with hand sanitizer that stays on my purse i have learned to be careful when opening them to dispense product they squeeze really easily and i have gotten way to much product before i learned to be carefuli like that they come in a set of different colors to share with friends or simply use for different things