Persilux Custom Size Cellular Shades Top Down Bottom Up

From the Amazon Listing

• 【Excellent Fabric】Made of 100% excellent polyester. Our shades are waterproof, dust-proof, anti-static, noise reduction and UV protection. Upgraded brackets make the fabric closer to the window to ensure a better shading. Our shades have a long service life and is not easy to discolor when exposed to the sunlight.
• 【Top Down Bottom up Design】Provides additional light control benefit, Lower your shades from top down, raise your shades from bottom up, to maintain your privacy while allowing natural light to flow into your room.
• 【Cordless & Free-Stop System】Smooth and quiet glide spring system provides a clean and tangle-free look and creates a safer environment for both children and pets. It will stay at whatever position you stop and can be easily raised or lowered with the touch of a finger.
• 【Energy-efficient Window Shades】Open air design, traps the air insde the shade, make it more difficult for energy to transfer from the one side to another side which makes the house warmer in the winter and cooler in the summer.
• 【Multiple Choices】 Our shades meet the demand for 100% blackout or light filtering. There are 15 colors for customers to choose from for both 100% blackout and light filtering fabrics because we are committed to making the shades adapt for different home decoration styles. Simple, natural and modern style makes our shades suitable for various scenes, such as bedroom, bathroom, living room, etc.