If you are planning a beach theme or destination Wedding, tonna shells are perfect to use for filling your Heirloom Hourglass during your ceremony. They have a lovely white and tan pattern, and look wonderful in photos. The tonna shell is easy to fill with sand, and it has plenty of room inside for more than enough sand for filling your hourglass. At 4-5 inches, the tonna fits perfectly in the palm of your hand, making it easy to pour sand with. Your tonna shells will look beautiful displayed by your Heirloom Hourglass in a special place in your home! Shells are shown from 2 different views, please click on picture for enlarged, detailed view.