【Compatibility】: The diameter of the feeding hole is 3" (7.5cm). This roll will fit the following machines: Pregis Airspeed Fit; Pregis Airspeed Smart. Most machines on the market takes 2" roll. This listing is a specialized size (3"). If your machine does not taking 3" roll, please do not buy this. 

【Size】:  each pillow is 4" x 8 " (10cm x 20cm); Length of entire roll is 984 ft (300m), which contains ~3,000 air bags.

【Strong & Thick】：We know you want strong & reliable air pillow film so you can focus on other important parts of your business. Therefore, we carefully picked and tested our rolls before send them in. All of our inventory are strong & thick (>4.7lbs/roll).

【Easy to use】：Perforated every 4 inches to easily tear off the roll. All the pillows seals well.

【Note】： This film requires a film air filling machine. The film does not come prefilled with air. 

Material: HDPE (high density polyethylene)

Type: Pillow Bubble

Hot seam width: 1mm

Single layer film thickness: 0.02mm

Hole size: 3"