{"product_id":"acostop-rv-entry-door-window-shade-12-21-two-layer-cellular-magnetic-bottom-black-reflective","title":"Acostop RV Entry Door Window Shade 12×21 Two-Layer Cellular, Magnetic-Bottom Black\/Reflective","description":"\u003cstrong\u003eAcostop's 12\"×21\" two-layer cellular RV entry door shade is a compact, magnetic-bottom replacement that blocks light and reduces heat while keeping privacy on RV entry windows.\u003c\/strong\u003e\n\n\u003cp\u003eIf your RV or camper door has a 12×21 inch prepped window opening, this Acostop replacement shade snaps in as a slim, durable option to control light, glare and temperature without altering the frame. Built with a two-layer cellular construction — a dark outer face plus a reflective inner layer — it’s designed to deliver stronger sun protection than a single-layer blind and to last longer thanks to aluminum rails. This description explains fit, installation, materials, and who benefits most from this model.\u003c\/p\u003e\n\n\u003ch3\u003eWill this shade fit my RV entry door window?\u003c\/h3\u003e\n\u003cp\u003eMeasure the visible glass or prepped window area before ordering; the shade is intended for a 12×21 inch panel and works specifically with many 16\"×25\" prepped entry doors. The package contains only the shade — not the door frame or mounting hardware — so confirm your existing opening and trim compatibility first.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned to cover a 12×21 inch window opening precisely when used with compatible prepped doors.\u003c\/li\u003e\n  \u003cli\u003eNot a full door replacement; installs inside the existing window pocket.\u003c\/li\u003e\n  \u003cli\u003eCheck your door model’s listed opening measurements before purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the two-layer cellular design help inside the RV?\u003c\/h3\u003e\n\u003cp\u003eThe shade uses an outer dark fabric for privacy and an inner reflective layer to deflect sunlight and UV rays. That combination reduces visible glare and helps lower interior heat buildup, improving comfort without electrical cooling.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOuter black layer blocks sightlines for privacy.\u003c\/li\u003e\n  \u003cli\u003eInner reflective layer limits sun and UV penetration.\u003c\/li\u003e\n  \u003cli\u003eCellular construction traps air for modest insulation value.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs installation difficult and will it stay closed while driving?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward and requires no specialized tools or professional fitting; the shade slides into the door’s pocket and secures with integrated aluminum rails. Magnets at the bottom edge keep the shade locked in the closed position to prevent unwanted movement or curling when the vehicle is in motion.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTool-free installation designed for camper door pockets.\u003c\/li\u003e\n  \u003cli\u003eAluminum rails resist heat warping and add rigidity.\u003c\/li\u003e\n  \u003cli\u003eBottom magnets hold the shade firmly closed during travel.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I adjust light levels or partially open the shade?\u003c\/h3\u003e\n\u003cp\u003eThe shade features a semi-open design so you can raise or lower it to control the amount of light and view without removing the unit. This makes it simple to fine-tune brightness and privacy depending on the time of day or location.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSemi-open pleat layout enables partial opening for variable light control.\u003c\/li\u003e\n  \u003cli\u003eAdjusts smoothly to set the preferred viewing or shading level.\u003c\/li\u003e\n  \u003cli\u003eMaintains privacy even when partially opened, thanks to layered fabric.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? RV owners and vanlifers who need a compact, purpose-built replacement shade for a 12×21 inch entry door window will find this Acostop model a practical choice. It suits users who prioritize privacy, sun-blocking performance and ease of installation, plus those who want a more durable rail system than typical plastic-trim shades. If you require a different size or a complete door assembly, measure carefully and consider other Acostop sizes or full door options.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this shade include the door frame?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The package contains only the 12×21 shade; the existing door frame is required for installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will the shade reduce heat inside my RV?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The reflective inner layer plus cellular air pockets help limit heat and UV entering through the window.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Acostop","offers":[{"title":"Default Title","offer_id":48086885826718,"sku":"B0CSK2C9YB","price":30.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/acostop-front-view-shade-installed.jpg?v=1785909104","url":"https:\/\/northtrailauto.ca\/products\/acostop-rv-entry-door-window-shade-12-21-two-layer-cellular-magnetic-bottom-black-reflective","provider":"North Trail Auto","version":"1.0","type":"link"}