iShyan Woven Friendship Bracelets 20 Pcs Braided Bracelets Handmade Colorful Adjustable String Bracelets,1cm

Can these be cut so the leftover is not so long?

What’s the best way to tie these?

Can I specifically request certain colors? Ive ordered many different kinds & they are not the same colors as the pictures. I'm tired of false adverti

Are these waterproof/water resistent?