Travel bottle sets are TSA approved for airline carry-on luggage. No need to worry about repackaging fluid for safety inspection. With it, no need for checked baggage. Take it on a trip. Made of flexible, compressible and fillable silicone + plastic material, it offers excellent compression resistance, durability and waterproofing. Maybe too. All bottles are manufactured in a clean room to ensure the hygiene and impermeability of the product, without fear of makeup falling off. Funnel and labels : A practical plastic funnel allows you to quickly and efficiently fill your liquid bottles. Labels help you easily distinguish the contents of your bottles.