Rite-Cell foundation offers a plastic core that has been 100% beeswax coating. This is a stronger alternative to standard 100% wax for years of use. - Wax Coated - Requires no reinforcement - Slips easily into a grooved top frame - Sharper cell edges for quick acceptance - Wax moths cannot damage - Textured cell interior - Durable plastic holds up to years of extracting - Food grade plastic - Made in the USA *Frame Not Included