How to make simple crochet bag

How to make simple crochet bag I have made this crochet bag for shopping. This bag has made by simple crochet shell stitch pattern. For this bag I have used 5 colors thread and 2mm crochet hook Ch40,1sc in every st, in last 2st,2sc in every st, repeat 3 times do not turn,repeat 1sc in every st………….. SHELL STITCH PATTERN -ch3,4dc, skip2st, 1sc,skip2st,5dc in next st..repeat it all around ch pattern-when u have made5,dc,in center you make 1sc, and where you have made 1sc when 5dc………….repeat all around.you make at least 15-16 lines of this pattern, I have change the colour of threads in every 2 lines. In upper part of bag I have used 3-4 lines of double crochet stitch. For belt -take 8 chains,turn it 1dc in every stitch,you can make as per your belt length required…….. . In the last round I have made 1sc in every st. I have inserted one pair of button in 2 sides of bag . .