Two-Strand Twists Sizes are as Follows:
- Small: Index finger size boxes (typically 80 twists, depending on head size)
- Medium: Thumb size boxes (typically 60 twists, depending on head size)
- Large: 2x thumb size boxes (typically 40 twists, depending on head size)
- Jumbo: 4x thumb size boxes (typically 10-20 twists, depending on head size)

Time Estimates for Twists With Natural Hair:
- Small Individual Twists with Natural Hair (waist length): 6 hours or less
- Small Individual Twists with Natural Hair (mid-back length): 5 hours or less
- Small Individual Twists with Natural Hair (past shoulder length): 4 hours or less

Time Estimates for Twists With Extensions:
- Small Individual Twists with Extensions (waist length): 6 to 8 hours
- Small Individual Twists with Extensions (mid-back length): 4 to 6 hours
- Small Individual Twists with Extensions (right past shoulder length): 3 to 4 hours