Storage systems: what can actually be replaced?

This comparison focuses on documented replaceability, materials, and the clarity of the manufacturer’s compatibility information—not on untested claims about durability or safety.

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Documented systems and their replacement routes. Links go to manufacturer evidence first.
SystemBody / lidReplacement routeSource / buying path
Pyrex Simply StoreTempered glass examples with plastic lidsStrong model-number system; exact replacement-lid pages for many sizesOfficial 7210 example
Check current sets at Amazon
Pyrex FreshlockPyrex glass with locking lidModel-specific references exist, but a reference page may describe the complete container rather than an in-stock separate lidManufacturer reference
Snapware Total SolutionGlass or plastic containers with locking plastic lids and sealsReplacement lids are documented by shape, size and model; the 7211R / 8608 medium rectangle is explicitly confirmed by the manufacturerOfficial medium-rectangle source
Check current sets at Amazon
IKEA 365+ glass + plastic lidHeat-resistant glass; polypropylene lid with silicone-rubber seal on the documented 34-oz rectangular exampleSeparate article numbers make the system unusually clear. Regular rectangular lid 405.779.43 measures 8¼ × 6 in; large rectangular 005.779.35 measures 12½ × 8¼ in.Official 34-oz complete set
Regular replacement lid
IKEA 365+ glass + bamboo lidHeat-resistant glass; bamboo lid with silicone-rubber seal on documented combinationsSeparate component articles exist, but care differs from the plastic lid; the bamboo lid is hand-wash only on the documented 34-oz setOfficial 34-oz bamboo-lid set

Materials and compatibility are taken from current manufacturer pages. They do not establish which system is “healthiest,” “safest,” or longest-lasting.

Already own one of these systems? Use the replacement finder before buying a complete set.