Food-Grade Silicone Construction: Diboniur's flexible silicone travel bottles withstand repeated squeezing without cracking. The smooth interior cleanly dispenses thick shampoos, creams and serums with zero residue Travel Bottles for Toiletries: 4 x 98ml travel toiletry bottles (aviation-compliant 100ml capacity) in yellow, green, blue and violet for instant identification. Includes 1 stickers for custom organisation TSA-Approved Leakproof System: The travel containers adopts triple-sealed, seamless design requires no assembly. Even if it is inverted 180°, thick liquids or lotions will not overflow Reusability: The travel bottles adopts a refillable design, and the replacement can be directly injected, which saves 75% of the cost compared to buying small packages and reduces plastic waste Universal Travel Companion: Travel boarding/gym/daily commuting all-round adaptation-store lotions, essential oils, skin care products, shower gels, and even travel-sized seasonings and sauces