Instruction: First, identify the target attributes from the provided list. Then, scan the product title, description, feature, and brand to extract the values associated with each target attribute. Finally, create a list of dictionaries, each containing the extracted attribute, its corresponding value, and the source where it was found.

Input:
Product title: ZERO2ONE Wide Width Thermal Insulated Blackout Curtain Antique Bronze Grommet Top Chocolate 100"W x 84"L (1 Panel)
Product description: About the curtains: Compared to other curtains,our product is extremely soft and drapable. For proper fullness, panels should measure 2-3 times the width of your window. Functional and fashionable, choose from our wide array of designs, colors, and sizes to decorate your windows with. Bring warmth and style to your home. It features an innovative triple weave fabric construction that insulates against heat and cold. Care instruction: *Machine wash warm with like colors. *Use only non-chlorine bleach when needed. *Tumble dry low. *Warm iron as needed. ATTENTION: The digital images we display have the most accurate color possible. However, due to differences in computer monitors, we cannot be responsible for variations in color between the actual product and your screen. TOP CONSTRUCTION GUIDE: *For Grommet Top construction, the inside diameter of Grommet is 1.6", around 6-8 grommets in a 40 inches wide curtain. The grommet ring is in silver. *For Tab top, the height of tab is 4" ( 10cm). There are about 6-8 tabs in a 40 inch wide curtain. *For Rod Pocket, the height of pocket is 3" (8cm) to ensure the rod could pass through. *For the Double Pleated, there are around 6-8 pleats AND firm plastic hooks in a 40 inches wide curtain. MEASUREMENT GUIDE: *For grommet or tab top curtain, measure the drop from the top of pole to where you want curtain to finish. *For Pleated top construction, measure the distance from the eye where the curtain hooks attched to where you want your curtan to finish. *For rod pocket, measure the distance from the top of pole to where you want curtain to finish.
Product feature: Polyester, machine wash, 100"Wx84"L, grommet top, one panel., Sold as single panel. Hang two or more for optimal coverage. Choose the quantity as 2 then add them to your cart., Made-To-Order, 4 - 8 days tailoring time, DHL Fast Delivery (except military address and address without phone number)., Independent laboratory test shows curtain blocks out most of light and insulate against heat and cold. Simple design, elegant and great for any room in the house.Beside the size selection list, please contact us for custom size made., 4 options for top construction, Tab Top, Grommet, Rod Pocket and Double Pleated ( come with firm plastic hooks). Top construction could be custom made with additional fees. Send us the email if you want to change top construction. Clearly read the top construction guide as below.
Product brand: ZERO2ONE
Target attributes: Light Allowance
Answer: attribute: light allowance
value: blackout
source: product title