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 long-lasting 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 husband, father, mother, wife, girlfriend, daughter, son, friends on Christmas, birthday, anniversary, Mother's Day, Valentine's Day. Package list: 1 x Earbuds Case 6 Pairs x Ear Tips (3 Sizes)