universal sets tailored to the most popular formats of free textbooks approved for use by the Ministry of National Education (MEN)
for grades 1-3 set includes: 4 pieces of adjustable covers E5, 4 pieces of self-adhesive covers S4, and as a bonus, 2 pieces of notebook covers A5
for grades 4-6 set includes: 2 pieces each of adjustable covers E7, S5, Z5, 2 pieces of self-adhesive covers S4, and as a bonus, 2 pieces of notebook covers A5
for grades 7-8 set includes: 2 pieces each of adjustable covers E6, S5, A4, 2 pieces of self-adhesive covers S4, and as a bonus, 2 pieces of notebook covers A5
