Material: BPA-free. This travel bottle set is made of high-quality plastic, BPA-free, durable, odorless, refillable, and reusable. TSA-approved travel bottles, each less than 100ml, ideal for air travel. Portable Travel Bottles: These travel bottle accessories include 60ml squeeze bottles in 3 colors. Suitable for cosmetics and toiletries during travel. Leak-Proof Design: Leakproof construction allows easy packing in luggage. The self-sealing valve in the lid helps prevent leaks. Ensure bottles are tightly closed before placing in bags. Multiple Uses: This travel bottle set is perfect for lotions, cosmetic samples, conditioners, shampoos, perfumes, cleaning solutions, and other liquids. Designed for travel, business trips, outdoor camping, and more.