This folding umbrella is ultra-lightweight at only 99g, yet sturdy with a six-bone wind-resistant design. It can be folded to a length of 22 cm, so it is not bulky when carried in a bag.で完璧でしょうか？不自然？
This foldable umbrella is ultra-lightweight at only 99g, yet sturdy with a six-bone wind-resistant design.
It can be folded to a length of 22 cm, so it is not bulky when carried in a bag.
FORさんの英文ですが完璧ですよ！
私なら「折り畳み傘」は folding ではなく foldable と言います。folding でも間違いではないです！
ーThis foldable umbrella is ultra-lightweight at only 99 g, yet sturdy with a six-bone wind-resistant design. It can be folded to a length of 22 cm, so it is not bulky when carried in a bag.
後半の文は少しかたいので、次のようにも言えます。
ーYou can shorten it to a length of 22 cm, so it's not bulky when you carry it in a bag.
「22cm(の長さ)に短くできるので、カバンに入れて持ち運ぶのもかさばらない」
ご参考まで！
カナダ 
