1.Professional Leak-Proof Design: The PP white collar plastic part and the silicone bottle body part are been fixed sealed together, plus the three-layer leak proof design and one no-drip cross valve can effectively prevent leakage | 2.Airplane Carry on Approved: Travel size small bottles for toiletries, perfect for around one week outdoor activities or trip. With these portable travel bottles, never need bring whole big bottles again, easy to carry , save space and TSA Approved | 3.Food Grade Silicone: The Travel size bottles are made of food-grade silicone. In fact silicone is more safe, recyclable and environmentally friendly than plastic. In addition to fill toiletries, you also can place seasoning into this travel container, such as salad sauce and salt. Fun silicone travel containers | 4.Easy to Fill and Clean: With wide opening, so you can easily to fill and clean this refillable travel bottle. There is a special anti-skid and easy open design on the cover, you can easily open the cap with just one hand. These ergonomic designs and nice use experience is our products top purpose | 5.Great Travel Choice: Our products are in US now , so you will receive the handy travel bottles set (4 silicone bottles and 1 plastic spray bottle) soon. Flexible travel containers : Perfect fit travel and household standard, lightweight. Travel Essentials and Nice Outdoor Choice