Xeno Auto Door Bottom Seal — a sleek, spring-activated sealing strip that auto-engages when your door closes. Blocks drafts, dust, pests, noise, and light while retracting cleanly when the door opens. Durable aluminium alloy, custom-fit options (3×7, 4×7 ft), free installation in Singapore. 1-year warranty. https://xeno.com.sg/product/xeno-auto-door-bottom-seal/