Contains one pair. Protection from flight ear discomfort. For kids & smaller ears. Relieves air pressure discomfort with the exclusive CeramX filter. Reduces harsh noise. Drug free. For smaller ears. Performance guaranteed. Good Housekeeping limited warranty to consumers. Replacement or refund if defective. Since 1909. Approved by flight attendants. Safe, comfortable, disposable. Soft, hypoallergenic latex free silicone. Made of soft hypoallergenic latex free silicone. This pack contains one pair of disposable EarPlanes good for one round trip flight. Also great for mountain driving. Visit us at earplanes.com. Noise Reduction Rating: 20 decibels when use as directed. The range of noise reduction ratings for existing hearing protectors is approximately 0 to 30. (Higher numbers denote greater effectiveness.)