This aluminum Petri Dish Holder can be used to safely and securely transport up to 30 Petri Dishes. The holder is autoclavable and has a folding handle. Petri Dishes are not included.Material: AluminiumDimensions : (W)325mm x (D)110mm x (H)170mmCapacity (number of Petri Dishes): 30 x 90mm diameter Petri dishes.Please note: Petri Dishes are not included.