Amazon has a leather phone case [amazon.com]
for $3.80 when you apply coupon code Z8MXNVOP
at checkout. It has a clip for a belt of waistband, as well. It expands to hold a phone and also has slots for credit cards.
Compatibility with: iPhone 6s Plus iPhone 7 Plus iPhone 6 Plus,Samsung Galaxy Note 5 Note 4 Note 3 Note 2 ,Samsung Galaxy S6 Edge Plus S7 Edge Plus S8 Plus,LG G4 G5 V20 etc...5.5" Screen Cellphones with Thin TPU Case on it.