<b>Feature：</b><br> 1.Material: 100% natural sea shells, 2.Our shells have smooth edges, safe house for hermit crab.<br> 3.Shells suitable for medium and large hermit carbs.<br> <b>About Hermit Crabs ：</b><br> 1.Hermit crabs have a soft, delicate abdomen and in order to keep it protected they wear shells on their backs.<br> 2.As the crab grows, it will need to move into bigger and bigger shells. Some crabs just love to change shells for fun, or to find a better fit.<br><br> Hermit carb like:<br> ①Shape: round shells,which are round openning, lightweight, and easy to access.<br> ②Size: different size to fit the size of the body ant different times.<br> <br> <b>Please note:</b> <br> 1.New shells should be sterilized in boiling dechlorinated water for five minutes and allowed to cool before being given to your crabs.<br> 2.Please never use painted or glazed shells for your pets,as they are dangerous and potentially toxic to hermits.