Art Alternatives Twin Pack, standard stretcher bar, stapled sides
11 x 14 $7.98
12 x 16 $9.63
16 x 20 $11.20
18 x 24 $13.65

Art Advantage Twin Pack, standard stretcher bar, staple not showing on sides
4 x 5 $2.85
5 x 6 $3.60
8 x 10 $5.98
9 x 12 $7.33
11 x 14 $8.00
12 x 16 $9.64
14 x 18 $10.56
16 x 20 $11.35
18 x 24 $15.15
20 x 24 $18.06
22 x 28 $20.05
24 x 36 $26.78
30 x 40 $32.82
36 x 48 $46.91

Art Advantage Visual Edge Twin Pack, gallery wrap stretcher bar
9 x 12 $7.78
11 x 14 $10.46
16 x 20 $14.41
18 x 24 $18.16

Winsor & Newton Twin Pack, standard stretcher bar, staple not showing on sides, rougher surface canvas
11 x 14 $8.95
12 x 16 $10.75
14 x 18 $12.61
16 x 20 $14.39
18 x 24 $19.82
20 x 24 $21.61
20 x 30 $26.18
24 x 30 $29.75