I don´t see any difference between these? If TL100 is already undetactable, why go for the TL800?

Hi Jorn,
There is little difference between the two bases. The TL 800 is the finest lace possible and can only hold a density up to 60%. It's delicate and very fine. But customers have asked for the finest lace possible and we have made it available. For most people SFS (TL 100) is a good choice. TL 200 French is also excellent just a bit stronger than the SFS. So all 3 bases are made of the same translucent material--only the amount of material used is the difference.
Regards,
John
http:///www.toplace.com/