Check the listing for details. Everlast Evershield Double B&B Mouthguard with Case - Green / Black - NEW. Color: Black, Condition: New with tags. Listed at 17.75 USD. Includes plastic mouthguard case for secure storage. C: Very Good Condition; moderate signs of use, wear, or defects; Still lots of life left in product if used correctly. D: Good/Fair Condition- more significant signs of use, wear, or defects; nearing end of life cycle; good product for beginners or those not overly picky about appearance of product.Includes plastic mouthguard case for secure storage. C: Very Good Condition; moderate signs of use, wear, or defects; Still lots of life left in product if used correctly. D: Good/Fair Condition- more significant signs of use, wear, or defects; nearing end of life cycle; good product for beginners or those not overly picky about appearance of product.