25 Assorted Small Medium Seashells Crafts Hermit Crab Growth Shells Aquarium Decor HCSA08 All Natural Seashells And Beach Accents By AG - Set Of 25 Assorted Small Medium Seashells Crafts Hermit Crab Growth Shells Aquarium Decor HCSA08 Sea shells measure ~3/4" up to 2" wide. Mouth openings measure ~1/2 of the shell size Excellent for beach crafts, nautical decor, beach weddings, vase fillers, etc. Also nice homes for pet hermit crabs and great as aquarium decor! All natural wood/floral/seashells will have imperfections and may have slight variations in size/color as they appear to in nature! Please check size to make sure they fit your purpose!