Thickness note: Light thickness ≠ loose or cheap. *About cotton fabrics: Textile density is a better standard to judge it's quality, not the thickness. EX: The density of this cotton is 40s, which means it's light but dense fabrics. And with it's a special making process of pre-washed none wrinkle, it's a fine light and smooth cotton.
Transparency note: None transparent for black, ivory or cream. And None transparent of white, when it's in an indirect, natural light. Only when it's in strong light, the pure white color is a little transparent. Please check the pictures right.