Whirl-Pak® Standard bags are the most widely used sterile flexible container for collecting, transporting, and storing samples across every industry. Their continuous perimeter seal and built-in closure tab prevent leaks and contamination, ensuring reliable analysis results.
Why choose them
- Continuous perimeter seal for maximum leak protection
- Suitable for solids, semi-solids, and liquids
- Sterilized after manufacturing (+1 Sterilization process), with sterility documentation available
- High-clarity, high-strength polyethylene film
- Tyvek® pull tab perpendicular to the bag opening for an aseptic collection technique
- R-Nase, D-Nase, pyrogen, and BPA free; comply with USDA, FDA, HACCP, and EPA requirements
Use and storage
- Do not use above 180°F (82°C)
- Can be frozen down to -320°F (-196°C, liquid nitrogen temperatures); handle carefully after freezing
- Volume is measured with the bag closed and the tab folded over three times (volume and dimensions are approximate, ±5%)
- Shelf life: 5 years from the sterilization date shown on the sterility documentation
- Store at ambient conditions not exceeding 90°F (32°C)
Available variants
- B01009 — 2 fl oz (59 mL), 3 x 5 in (7.5 x 12.5 cm), 2.25 mil film, box of 500
- B00679 — 4 fl oz (118 mL), 3 x 7.25 in (7.5 x 18.5 cm), 2.25 mil film, box of 500
- B00992 — 7 fl oz (207 mL), 3.75 x 7 in (9.5 x 18 cm), 3 mil film, box of 500
- B01018 — 13 fl oz (384 mL), 5.25 x 7.5 in (13 x 19 cm), 3 mil film, box of 500
- B00736 — 18 fl oz (532 mL), 4.5 x 9 in (11.5 x 23 cm), 2.5 mil film, box of 500
- B01020 — 24 fl oz (710 mL), 6 x 9 in (15 x 23 cm), 3 mil film, box of 500
- B01063 — 24 fl oz (710 mL), 6 x 9 in (15 x 23 cm), 4 mil film, box of 500
- B00990 — 27 fl oz (798 mL), 5 x 12 in (12.5 x 30.5 cm), 3 mil film, box of 500
- B00994 — 36 fl oz (1,065 mL), 5 x 15 in (12.5 x 38 cm), 3 mil film, box of 500
- B01027 — 42 fl oz (1,242 mL), 6 x 15 in (15 x 38 cm), 3 mil film, box of 500
- B01532 — 55 fl oz (1,627 mL), 7.5 x 12 in (19 x 30 cm), 3 mil film, box of 500
- B01323 — 69 fl oz (2,041 mL), 7.5 x 15 in (19 x 38 cm), 3 mil film, box of 500
All variants use a round wire closure. All measurements are nominal, with an approximate tolerance of ±5%.