Features: Revitalize dark fabrics with our Black Laundry Detergent Sheets, formulated to restore depth to faded black while removing tough stains like grease and dirt through fiber-penetrating technology. Crafted from sodium carbonates, color-enhancing dyes, and nonwoven fabric materials, these concentrated sheets help prevent fading and fabric damage during machine washes. Designed for owners of dark clothing, professional uniforms, or luxury bedding who prioritize color preservation and gentle laundry care. Effortlessly maintain the richness of black jeans or refresh charcoal-colored curtains by adding one sheet to any wash cycle—no measuring or residue concerns. Each sheet combines effective cleaning power with color-enhancing performance, offering premium fabric care in sustainable, space-saving packaging. Specifications: Component: Sodium carbonates, dye, nonwoven fabric Product Size: Approx. 14 x 11 cm (5.51 x 4.33 inches) Type: 01 / 02 Package Includes: Type 01: 1 bag of laundry sheets (15 pieces per bag) Type 02: 1 bag of laundry sheets (30 pieces per bag) Note: Please allow up to 1 cm variation due to manual measurement. Due to differences between monitors, the image may not reflect the actual product color.