Coroplast 48 in. x 96 in. x 0.157 in. (4mm) White Corrugated Twinwall Plastic Sheet CP4896S - The Home Depot
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Buy Wholesale China Transparent Pvc Rigid Plastic Film For Blister, Food Grade, Semi-rigid, High Glossy & Pvc Film at USD 1.52 | Global Sources
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Transparent Semi Rigid Food Grade 0.12-2mm Thick Pet Plastic Sheet Roll for Thermoforming - China Pet Plastic Sheet Roll for Thermoforming, Pet Film | Made-in-China.com
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SMART Semi-Rigid Plastic Repair 7 oz. / 207 ml
Semi-rigid transparent PVC strips, curtains, film and panel