This is a hard case bag which has removable foam inserts. Each bag comes with 2 of the 30 x Sample Bottle inserts and 1 of the 12 x 15mL Inserts. Another 12 x 15mL Insert can be purchased for $5. The bag can hold 24 x 15mL Bottles as well as 60 x 1 or 2mL Samples. Have limited stock and can only order more when are larger order has been placed with the factory.