Shop › Whirlpak Stand Image 1 of 1 Whirlpak Stand from $8.99 Fits Whirl-Pak sizes up to 15 cm x 23 cm (6” x 9”). Ideal for use in analytical balances. Material: Select Material PLA PETG Quantity: Add To Cart Added! Fits Whirl-Pak sizes up to 15 cm x 23 cm (6” x 9”). Ideal for use in analytical balances.