【BERISSA Shades Systems: Excellence in Window Décor】 Founded in 1997, BERISSA upholds integrity, accountability, and innovation. Each blinds embodies the dedication and expertise of our designers and engineers. From blueprint design and mold-making to testing and refinement, every step is meticulously executed by skilled artisans. Relentless refinement has established us as a leading brand. Professionalism, reliability, and trust form our foundation and unwavering commitment to every client. Dual-Mode Top Down Bottom Up Cellular Window Shades Dual-track honeycomb blackout blinds delivering upper light control + lower privacy at one touch. ▸ Top Down Mode Partially lowers from the top, allowing sunlight in while maintaining privacy below. Preserves natural lighting without full blackout blinds oppression. ▸ Bottom Up Mode Fully lowers from the bottom, activating total blackout blinds function for sound sleep and absolute privacy protection. 【No Drill Blinds Dual-Tension System
2x Load · 3-Min Install】 ✅ 0 Drilling, 0 Damage Lateral tension brackets mechanically anchor to frames - true no drill blinds for: Drywall Concrete Plaster Tile Wood Marble Glass Laminate Metal Brick Stone Painted surfaces ✅ 1-Min Self-Install (No Tools!) Position no drill blinds brackets → 2) Hand-tighten nuts inward → 3) Final tighten with included wrench ✅ Removable & Rental-Safe Loosen nuts → 0 residue removal 【Hexagon Honeycomb Blackout Cellular Shades
Lab-Certified 30% Energy Saving】 Cellular structure creates insulating air pockets for winter warmth & summer cooling – functional + cost-saving. ✅ Winter Warmth ❄️ Traps indoor heat, reduces cold drafts 🔥 Cuts heating costs by 30% vs. standard blinds ✅ Summer Coolness ☀️ Blocks solar heat gain 🌡️ Maintains 72°F with 40% less AC ✅ Blackout Shades & Noise Reduction ● 100% light-blocking fabric core ● Absorbs 30% noise via honeycomb channels ✅ Versatile & Effortless: Cordless design for child safety + smooth pull-down operation; quick installation fits living rooms, bedrooms, kitchens, bathrooms, offices, kids' rooms & more. A practical, stylish solution for any space! ✅ Need Sizing Help? Check our Measurement Guide 👉 *In product images (visual demo) & video (step-by-step tutorial)! ABOUT US BERISSA remains dedicated to the research, development, production, and application of blind products, consistently pursuing the highest principles of product quality and customer experience. To date, our creations serve customers in over 80 countries and regions, reflecting our ongoing commitment to enhancing human well-being. Finer Details: Fabric: Polyester fiber Accessories Material: Aluminum Features: Energy saving Sound insulation Heat insulation & preservation Light blocking Waterproof Filters direct sunlight & UV protected Protection of privacy Suitable For: Bedroom, living room, kitchen, bathroom, toilet, office, etc. Can't find your window size? We offer custom honeycomb curtains. Please provide the following details via Amazon Message: Inside or outside mount Exact window width and height We will advise on sizing promptly upon receiving your message If you place an order, we will reconfirm sizing via email. Please reply within 12 hours! Otherwise, we will manufacture according to the original order details. Custom Size Specifications: Shade Width: 16" to 78" Max Shade Length: 78" Maximum Area: ≤ 3 square meters Important Tips: Double-check your delivery address, size, and color before placing your order. Please note: As we begin cutting fabric immediately after ordering, changes, returns, or exchanges cannot be accepted 12 hours after your order is placed. Since these are custom-made items, we cannot accept cancellations, returns, or exchanges after ordering, as outlined in the Amazon Return Policy. Of course, returns or exchanges are available in the case of faulty product quality. Thank you for your understanding and cooperation