The replacement ear tips are silicone tips, full of elasticity, flexible, removable, washable and replaceable. The case is manufactured with reliable TPU material, it is durable for use. can guard your earbuds , moisture etc. Convenient for travelers and business users. Features -Color:Black -Material:Silicone, TPU -Size:5.50X3.00X5.00cm/2.16X1.18X1.97in -Comprehensive Protection: The earbuds case provides a comprehensive protection, scratch-proof TPU shell, with high toughness, makes the case nearly and allows you to clean it easily by wiping. -Wide Application: Practical earphone case and earbuds tips combination set, no matter you are outdoors or office, you can use them, they are very convenient and easy to use. -Softer and Flexibility: The replacement silicone ear tips can ear canal fatigue experienced by prolonged, softer to use and provide a better . -USER-FRIENDLY : Durable keychain is included to carry your earbuds conveniently, suitable for home, outdoor, mountaineering, work, office, travel, business trip, dating and anywhere as you like. -Unique Gift: Perfects gift for husband, father, mother, wife, girlfriend, daughter, son, friends on Christmas, birthday, anniversary, Mother's Day, Valentine's Day. Package list: 5 x Earbuds Case 30 Pairs x Ear Tips (3 Sizes)