Bougie Basics is the straightforward option for keeping your 3mL vials organized and protected. The V2 design features a snap-lock latch and reinforced hinge — built from customer feedback for more consistent closure and daily durability. Details: ‣ Fits 3mL vials up to 16mm in diameter and 44mm in height ‣ Available in multiple slot configurations ‣ Snap-lock latch — clicks shut securely ‣ Reinforced hinge ‣ Freezer and refrigerator safe ‣ Lightweight and durable Please note: Earlier reviews may show the original V1 design. All current orders ship with the updated V2 snap-lock closure and reinforced hinge. Each box is 3D-printed, meaning slight variations in texture, finish, or color may occur. This is a normal part of the 3D printing process.