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### Technical Design Document **Product Name:** Permanent Marker Eraser for Whiteboards #### One Line Description of the Product An innovative eraser for whiteboards, equipped with an integrated acetone reservoir to effortlessly remove permanent marker stains. #### Measurements - **Length:** 6 inches (15.24 cm) - **Width:** 2 inches (5.08 cm) - **Height:** 1 inch (2.54 cm) - **Weight:** 0.2 pounds (90 grams) #### Material Requirements / Fabric Content - **Eraser Body:** High-density plastic (Polypropylene, PP) - **Eraser Pad:** Microfiber cleaning fabric - **Reservoir:** Polyethylene (PE) with acetone-resistant lining - **Dispensing Mechanism:** Stainless steel #### Colours - **Eraser Body:** White with blue accents - **Eraser Pad:** Gray - **Reservoir:** Transparent with a blue tint - **Dispensing Button:** Blue #### Stitching and Seams - **Eraser Pad Attachment:** Ultrasonically welded seams for durability - **Reservoir Sealing:** Heat-sealed seams to prevent acetone leakage #### Trims - **Piping:** Blue silicone piping along the edges for grip and aesthetics - **Ruffles:** None - **Buttons/Ribbon/Lace:** None #### Hardware - **Dispensing Mechanism:** Stainless steel button and spring-loaded valve - **Clasps:** None - **Zippers:** None - **Buckles:** None - **Snaps:** None #### Labels / Tags - **Brand Label:** Embossed logo on the side of the eraser body - **Usage Instructions:** Printed on the back of the packaging - **Safety Warnings:** Included on the reservoir and packaging, detailing the acetone content and handling precautions #### Product Drawing *(Attach a detailed product drawing here)* #### Additional Notes about the Design - **Ergonomic Design:** The eraser is designed to fit comfortably in hand, with a contoured grip. - **Refillable Reservoir:** The acetone reservoir is refillable, making the product reusable and cost-effective. - **Safety Cap:** A safety cap over the dispensing button prevents accidental release of acetone. - **Cleaning Eff

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