We offer biohazard bags as large in a many sizes. All styles include a sterilization indicator patch that darkens when autoclaved. For sampling applications, use sterile LDPE sampling bags to safely hold your solids and liquids. The bags are easy to use, simply flip bag around wire/tape and bend wire to seal. Other options include bags with sponges for surface sampling, high-temperature bags, and thiosulfate tablet bags for water sampling. For general purpose use, zip-lip bags are available in clear LDPE and in amber PE. Select amber sample bags for light-sensitive samples.