What's the best kind of caulk that doesn't dry out or become tacky enough to gather dirt?
You must first look inside yourself, Grasshopper.

When is the time that which is still soft no longer welcomes the new into its grasp.

Come to me when you have the answer, and we will find peace within you.

Others have found the answer in GE Silicone II or similar.

Look to the  enormous orange beast to find samples on those backed with cardstock.

All in a family are similar. Yet families have the great range in size and color.

Seek, and you will find that which can satisfy your emptiness.