Polystyrene Weigh Boats with Easy Pour Spout Design, Disposable, Ideal for Weighing and Mixing Liquid & Powder, Medium-Sized (3.26 x 5.2 x 1.02 Inches), Pack of 500

Heathrow Scientific Pour Boat Weighing Dishes, Medium-Sized, 137 mL Capacity, Polystyrene, Disposable, White (Pack of 500)

Weigh Boats Large (330ml, 125 Pack) Disposable Plastic Trays for Scale, Anti-Static Square Tray Weighing Dishes, Polystyrene Lab Dish for Powder Weight, Mixing Epoxy, Food Sample Container, Pour Boat

Weigh Boats Medium (100ml, 125 Pack) Disposable Plastic Trays for Scale, Anti-Static Square Tray Weighing Dishes, Polystyrene Lab Dish for Powder Weight, Mixing Epoxy, Food Sample Container, Pour Boat