Bamboo Custom Cut to Size: Each blinds will be customzied according to your exact window size, and can't be sold after a return. We appreciate customer's precise measures & careful orders, and avoid returns without quality issues. For the inside mount, a standard 2/5 inch deduction is made to the top rail width for a proper INSIDE MOUNT fit. No Drill Blinds: LazBlinds patented technology No Tools-No Drill system allow it no need to drill any holes on your window frame, great for Renter, Landlord, and Home Buyer. Easy to Install in 30 seconds. Room Darkening Blinds: This will NOT be completely private. The unique weaving method of bamboo slats increase the shading performance. Perfect for bedroom, living room, dining room, office. Cordless Blinds for Windows: The cord-free design provides a clean, tangle-free look to the window and creates a safer environment for children and pets. Easy to raise up or lower down to gently filter sunlight. Lead Time and Service: We need a couple of days to complete your customized products after the order confirmation. One week for transportation. Please keep checking and responding to your Amazon messages until your order information is confirmed. If you have any issues or questions in the process of purchasing, installing or using, please feel free email to us by Amazon message and we will respond to you within 24 hours. LazBlinds No Tools No Drill Cordless Bamboo Roman Shades, Custom Privacy Light Blocking Window Treatment, Roll Up Bamboo Blinds for Windows, Driftwood