General description Replacement vacuum cleaner bags designed for iRobot Roomba models including i7 Plus, i7+, i3+, i4+, i6+, i8+, s9+, and j7+, as well as all Clean Base automatic dirt disposal models. These bags feature strong sealing properties for easy disposal without dust clouds, and a high-efficiency filter that minimizes dust penetration. Technical specifications Compatible models: i7 Plus, i7+ (7550), i3+ (3550), i4+ (4552), i6+ (6550), i8+ (8550), s9+ (9550), j7+ (7550), I, S, and J series Material: Non-woven fabric Color: White + Gray Capacity: Each dust bag holds up to 30 bins of dirt and debris Package Contents: 12 dust bags Measurement allowed error: +/- 1-3 cm Other information Note: Light shooting and different displays may cause the color of the item in the picture to differ slightly from the actual product.