The Cokin Denim Single Filter Wallet with Belt Loop is specially designed with soft nonabrasive interior to safely hold one M series square filter. The L and XL sizes will hold one rectangular filter in that series size.
M (P) Series 3611532400045
L (Z) - 100mm x 100mm 3611531400015
XL (X) - 130mm x 130mm 3611531400039