Pop-Up Corks: Produced in natural, unfilled cork with a slightly rough surface which helps the paste really grip and makes for easy, efficient pop-up production.These come in packs of either 10mm, 12mm (30 corks per blister), or 14mm (25 corks per blister). Features: . 10mm & 12mm (30 per packet) . 14mm (25 per packet) . Highly buoyant . Natural, unfilled cork . Slightly rough surface
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