The XIKAR 5-Cigar Travel Humidor is made of ABS Molded Plastic Contruction and is designed to be airtight, watertight, and crushproof. This travel humidor also features a silicone seal that is airtight and watertight, stainless steel hinge and latches, locking clasps, high density urethane foam to cradle and protect your cigars, and a foam humidifier to keep everything fresh. Lifetime Guarantee by XIKAR, protect your investment with the best!