Bamboo Fiber Cotton - 4 layers 
1.Moisture absorbing Fibre layer
2. Leak proof layer
3. Antibacterial/ remove smell layer
4. Highly absorbant layer 
 
This underwear is so practical and comfortable. Some women use it after sex too. 
 
Size 12 only left (85cm-95cm waist and 100cm-110cm hips)