canvas frame pure cotton picture frame wholesale linen canvas canvas picture frame student handmade diy drawing board oil painting board

pure cotton(纯棉) linen(亚麻)

10*10 (type b narrow material)(10*10（B款窄料）) 15*15 (type b narrow material)(15*15（B款窄料）) 15*20 (type b narrow material)(15*20（B款窄料）) 20*20 (type b narrow material)(20*20（B款窄料）) 20*25 (type b narrow material)(20*25（B款窄料）) 25*25 (type b narrow material)(25*25（B款窄料）) 20*30 (type b narrow material)(20*30（B款窄料）) 25*30 (type b narrow material)(25*30（B款窄料）) 30*30 (type b narrow material)(30*30（B款窄料）) 30*40 (type b narrow material)(30*40（B款窄料）) 30*50 (type b narrow material)(30*50（B款窄料）) 40*40 (type b narrow material)(40*40（B款窄料）) 40*50 (type b narrow material)(40*50（B款窄料）) 40*60(a2 type regular material)(40*60（A2款常规料）) 50*50(a2 type regular material)(50*50（A2款常规料）) 50*60(a2 type regular material)(50*60（A2款常规料）) 50*70(a2 type regular material)(50*70（A2款常规料）) 60*60(a2 type regular material)(60*60（A2款常规料）) 60*70(a2 type regular material)(60*70（A2款常规料）) 60*80(a2 type regular material)(60*80（A2款常规料）) 60*90(a2 type regular material)(60*90（A2款常规料）) 70*70(a2 type regular material)(70*70（A2款常规料）) 70*80(a2 type regular material)(70*80（A2款常规料）) 70*90(a2 type regular material)(70*90（A2款常规料）) 70*100(a2 type regular material)(70*100（A2款常规料）)