SURELIFE 1 Set (4 Bars) DIY Canvas Frame Kit Wooden Stretcher Bars, Frame Kit Only No Canvas Or Glass Included, Easy Assembly, Canvas Should Be 5cm Larger Than Frame, For Canvas Painting, 30x40 40x60 50x70cm (12x16 16x24 20x28in)

30x40cm/11.8x15.7in

50x70cm/19.7x27.6in

95x45cm(for 100x50cm Canvas)

25x35cm (for 30x40cm Canvas)

35x55cm (for 40x60cm Canvas)

35x45cm(for 40x50cm Canvas)

40x50cm(for 45x55cm Canvas)

25x25cm(for 30x30cm Canvas)

35x35cm(for 40x40cm Canvas)

45x45cm(for 50x50cm Canvas)

30x40cm(for 35x45cm Canvas)

40x60cm(for 45x65cm Canvas)

50x70cm(for 55x75cm Canvas)

55x75cm(for 60x80cm Canvas)

55x85cm(for 60x90cm Canvas)

115x55cm(for 120x60cm Canvas)

65x95cm(for 70x100cm Canvas)

45*65cm (Fits 50*70cm Canvas)