Express warranties, unlike implied warranties, are not “read into” a sales contract by state law.  Instead, sellers explicitly offer these warranties to their customers in the course of a sales transaction.They are promises and statements that the seller voluntarily makes about its product or its commitment to remedy the defects and malfunctions that some customers may experience.

Express warranties can take a variety of forms, ranging from advertising claims to formal certificates.An express warranty can be made either verbally or in writing. 

While verbal warranties are important, only written warranties on consumer products are covered by the Magnuson-Moss Warranty Act.

Relevant Statute: Uniform Commercial Code, Sec. 42a-2-313