Hello and thanks for your question,
We have 10 inch and 12 inch diameter globes. We can add a custom opening to our neckless globes. Just request the custom opening in the comments section when checking out or call 800-665-3594.
https://www.lamppostglobes.com/12-Inch-White-Acrylic-Neckless-Lamp-Post-Globe-with-35-Inch-Opening_p_171.html
Thanks