1.PRODUCT SPECIFICATION (1)Hair material:100%Brazilianhair. (2) Hair texture:silky straight(yaki, yaki straight , natural straight, kinky straight, kinky curl, jerry curl, tight wave, deep curl, light curl, water wave ,deep wave etc.). (3) Hair length:20" (8"-36"). (4) Hair color: #30 (single color,mixed color,highlight color,streaks color,two-tone color etc.) (5) Hair density:130% (80%-180%). (6) Hair style: free style (free style or as pictured) 2.How do I care for lace wig? When not in use, always store your wig on a mannequin or wig stand to maintain its shape. Frequency of cleaning will depend on your environment, lifestyle and amount of perspiration. Suggested guidelines for cleaning are after 10 to 14 days of wear. To clean and condition your wig, follow the manufacturer's instructions that come with your wig 3.What are the differences between Swiss and French lace? French lace is more durable than Swiss lace and it is best for new wearers. It is thin, delicate, and natural looking. Swiss lace is the most undetectable of the laces, but the most fragile. This is best for experienced wearers. Swiss lace is fragile and requires skill to be handled and may be torn easily 4.Cap Size ItemSmall(Inch)Medium(Inch)large(Inch)around the head21-21.7522-22.7523-23.5front to nape13.5-1414-14.2515-15.5ear to earover the top of the head11.75-1212.5-12.7513-13.50nape4.55-5.255.5-6