Bags & Accessories

A range of bags suitable for sample sizes 250μl – 80ml. The Stomacher® 80 bag range has been designed specifically for life science applications. The enhanced Stomacher® 80 bag range features closure and strainer bag formats and double blender bags for biosafety.

Our range of bags for sample sizes 80ml to 400ml includes standard, strainers and closure bags for use with Seward Stomacher® 400 Circulator, Stomacher® 400 Classic and Seward Stomacher® 400 EVO lab blenders.

The Stomacher® 400 Eco bag range has been designed specifically for the Stomacher® 400 EVO lab blender. Thanks to interchangeable paddles and it’s patented design, the Stomacher® 400 EVO gives you the option to use sample bags that are 30% smaller than traditional sample bags, with no change or impact on established protocols. A perfect solution for ISO 1400 registered labs and those looking to implement sustainability practices.

Eco Bag Calculator

Find out how much plastic usage and waste you can save with our Stomacher® Eco bags, suitable for all applications with a sample range of 80ml – 400ml.

Our largest sample bags, suitable for volume sample sizes from 400ml to 4500ml and our Stomacher® 3500/4500 BAM lab blenders. Includes our unique autoclavable bags for one step, hassle free disposal.

Sign up for a free trial of Stomacher® 3500 Autoclavable Blender Bags*

*While stocks last

For clear, hygienic work spaces and short term storage solutions, our Seward Stomacher® range of bag racks help maintain a safe and efficient work space in your laboratory.

Made from high grade plastic polymer, Seward Stomacher® bag openers hold sample bags open for easy addition of your sample, without risk of instrument contact on the bag.

For fast and easy securing of Stomacher® bags, eliminating leakage during storage or incubation. Easily cleaned with most lab disinfectants (not autoclavable) our Stomacher® bag clips offer a reusable alternative to closure bags.

Our own Seward Simplettes® provide an accurate and economical alternative to pipette tips. They are designed specifically to pipette samples from the bottom of the Stomacher® bag without risk of cross contamination.

Instantly soluble, pre-measured, sterile media in a Stomacher® bag. Simply add sterile distilled water and your sample as per your protocol.

Instantly soluble, sterile media granules, ready to use. Just add to your own Stomacher® bags. Choose the Insterprep sachet that fits your protocol needs.