Pack of 7 black polyethylene rectangular pipe plugs for sealing small pipe openings - Size: 15 x 30 mm outer pipe dimension (not from the hole). Other dimensions are shown in the photos table. - Material: polyethylene plastic, lightweight and durable - Color: black - Purpose: quick, reusable seals to block off pipe ends or openings during maintenance, testing, construction, or storage - Benefits: easy to insert and remove, reusable, resistant to everyday chemicals and wear - Compatibility: designed for pipe openings with the stated outer dimensions; refer to the photos for the full dimension table - Use scenarios: 1) seal ends during plumbing maintenance or leak testing 2) block dust and debris during painting, renovation, or cleaning of spaces with exposed pipes 3) temporary closures for DIY projects or workshop setups