Polka Flex is an innovative biodegradable and non-toxic sign banner material startup under the Shalbrikkho umbrella. It aims to replace plastic-based advertising banners with eco-friendly, plant-based alternatives that naturally decompose without harming the environment. Polka Flex is committed to reducing plastic pollution by offering sustainable signage solutions for businesses, events, and public campaigns. The startup is actively working on market expansion, industry partnerships, and export readiness, positioning itself as a leading green alternative in the global advertising and branding sector.