The BlisterBox® Heavy-Duty (R337) is a made-to-order stock retail blister packaging solution built from thicker-gauge EcoStar® post-consumer recycled PET, purpose-built for heavier or sharper products that standard clamshells can’t reliably contain. This eco-friendly heavy-duty thermoform clamshell packaging delivers a secure, precise retail display fit and strong peg hook merchandising presence for a variety of product applications.