Does not seal the bottle neck (not a heat/induction seal)

Works as a compressive barrier/cushion only

Broad chemical compatibility (acids, alkalis, oils, alcohols, solvents)

Often paired with shrink bands or outer seals if tamper evidence is required

Broadly Suitable For

Dry foods and ingredients: spices, tea/coffee, cocoa, powders, grains

Supplements in solid form: tablets, capsules, gummies

Personal care: shampoos, body wash, hand soap (non-volatile)

Household chemicals & cleaners (non-corrosive, non-volatile)

DIY/craft goods: glitters, beads, pigments, bath salts

Light industrial: screws, fasteners, small parts
(Not preferred for volatile solvents or products needing a hermetic/tamper-evident seal.)

Flexible, lightweight

Chemical- and water-resistant

Odor-resistant; low moisture transmission

Cost-effective; recyclable