Features:

• Place in your hermit crabs tank to allow them to change shells as they grow
• Shells come in a variety of colors and patterns so your hermit crab will never get bored
• Keeping a variety of sizes of shells in your hermit crabs enclosure promotes healthy and natural development
• Always select shells that are larger than the ones your crabs currently reside in
• Includes 2 Large Sized Shells

Details:

As hermit crabs grow, they need bigger shells to change into. Always keep extra shells in their enclosure. These extra "growth" shells should be larger than the shell your crab currently resides in. It is also recommended to keep different sizes of shells in your crab's enclosure.