Generally speaking, elastic cotton is better than PP cotton. Stretch cotton has better elasticity and stretchability, feels good, is easy to care for, adheres to the skin, and is affordable. PP cotton, commonly known as doll cotton, has the advantages of good resilience, smooth feel, lower price, and good warmth retention, but its warmth retention is slightly worse than elastic cotton.

Elastic cotton is a mixed high-fiber fabric made of 98% cotton and 2% elastic. It has good elasticity and stretchability, is soft to the touch, easy to care for, adheres to the skin, and is moderately priced. PP cotton is commonly known as doll cotton. It has the advantages of good resilience, smooth feel, low price, and good warmth retention. The warmth retention of pp cotton is slightly worse than that of elastic cotton, but its resilience is better than that of elastic cotton.

In short, elastic cotton and pp cotton have their own advantages. Which one is better depends on personal needs and preferences.