This Amplitude Sigma spunlaced fabric is made of 55 percent cellulose and 45 percent polyester. The industry standard for nonwoven wipes, it is highly sorbent, has excellent durability and good cleanliness. Excellent for use in general cleaning and spill pickup. This all-purpose, sorbent cleanroom wipe is strong and durable, wet or dry. Features low levels of particles and extractables and is extremely absorbent. Recommended for use in ISO Class 6 and above cleanroom applications. Ideal for general purpose cleaning in biotech, pharmaceutical, semiconductor, electronics, medical device and printed circuit board industries. For use in non-abrasive applications. Dimensions: 9 x 9-Inch (22.9 x 22.9cm). Material: Polyester/Cellulose. Contec #: AMSI0001.