Uni, DIN A43 products compared

Sigel CO111 writing notebook A4 97 sheets Black - Sigel CO111, Black,1 offerfrom £24.24
Sigel CO673 writing notebook A5 194 sheets Brown - Sigel CO673,1 offerfrom £22.15
Leitz Notebook Complete A4 Squared 96 gram 80 sheet - Leitz Notebook1 offerfrom £26.75