Lashes take 8 weeks to produce. Lashes that are out of stock are most possibly in production. Some thicknesses you can replace with thinner diameter. If you using 0.07 you might try our lovely 0.06 lashes, which are very easy to fan and dark, good thing you can make bigger fan. If you run out of 0.06 – we have 0.05 , just use more multiple extensions in the fan, and there wont be any difference. When we receive the lashes, we will announce via Social Media or emails. You can also buy our mixed trays, check if they contain the length you want on the product description.