Important Fit Requirement
Fits only window sills that are exactly ¼ inch thick. Measure your sill before ordering to confirm compatibility.
Expand your windowsill space for plants, décor, and everyday essentials. Each extender provides a 5.5 × 5.5-inch usable surface. Place multiple units side by side to create a longer shelf.
Features
- No drilling, screws, tools, or adhesives required
- Lightweight, sturdy 3D-printed construction
- Modular design for flexible placement
- Available in Black or White
- Includes one extender per order
Production & Shipping
Made to order in the USA. Ships within 1–3 business days in sustainable packaging. International buyers are responsible for applicable customs duties and import taxes.













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