Neoprene Material: The sublimation keychain cases are made of neoprene, offering a smooth and comfortable touch. Sturdy and robust, they resist daily wear and fading, ensuring long lasting use Ideal Size for Portability: With overall dimensions of 4.1x12.5 cm and a protector size of 4.1x10 cm, these neoprene keychain cases fit most standard lipsticks and keys. Lightweight and pocket friendly, they make ideal accessories for on the go use DIY Sublimation Fun: Both sides are sublimation compatible, allowing you to create various images or patterns with soft, long lasting results. Ideal for crafting personalized presents for lovers, friends, classmates, and family Multifunctional Convenience: These sublimation lip balm holder keychains are compact, lightweight, and easy to carry. Hang them on wallets, backpacks, or pants pockets, making them ideal for travel and daily use Generous 30 Piece Set: Including 30 sublimation lip balm protectors, this kit meets daily use, replacement, and sharing needs. Ideal for expanding your makeup collection or presenting at parties to friends and family