primary school student self-adhesive book cover textbook protection boy cover transparent frosted waterproof slipcover a4/16/25k stickers boy cover

primary school student self-adhesive book cover textbook protection boy cover transparent frosted waterproof slipcover a4/16/25k stickers boy cover

小学生自粘书皮课本保护书膜透明磨砂防水书套A4/16/25K贴书膜

1 piece

specifications
10 sheets (a4 large size)(10张（A4大号）) 10 sheets (16k medium)(10张（16K中号）) 10 sheets (25k small size)(10张（25K小号）) 30 pieces (large, medium and small) 10 pieces each(30张（大中小各）各10张) 20 sheets (large/medium) each 10 sheets(20张（大号/中号）各10张) 20 sheets (large/small size} 10 sheets each(20张（大号/小号}各10张) 20 sheets (medium/small size) each 10 sheets(20张（中号/小号）各10张) 20 sheets (large/20 sheets)(20张（大号/20张）) 20 sheets (medium/20 sheets)(20张（中号/20张）) 20 sheets (small size/20 sheets)(20张（小号/20张）) 30 sheets (5 sheets in each size/20 sheets in medium size)(30张（大小各5张/中号20张）) 30 sheets (large 20 sheets/small size 10 sheets)(30张（大号20张/小号10张）) 30 sheets (medium 20 sheets/small size 10 sheets)(30张（中号20张/小号10张）) 30 sheets (medium 20 sheets/large 10 sheets)(30张（中号20张/大号10张）) 30 sheets (small size 25k)(30张（小号25K）) 30 sheets (medium 16k)(30张（中号16K）) 30 sheets (large a4)(30张（大号A4）) 40 sheets (small and medium each 10 sheets/large 20 sheets)(40张（中小号各10张/大号20张）) 40 sheets (large and medium size each 10 sheets/small size 20 sheets)(40张（大中号各10张/小号20张）) 40 sheets (10 for each large small size/20 for medium)(40张（大小号各10张/中号20张）) small size 5 sheets(小号5张)