double-sided transparent photo frame a4 display board acrylic picture frame mounting calligraphy calligraphy and painting large frame poster frame wall hanging

a028 wood grain color(A028木纹色) a028 black walnut color(A028黑胡桃色) a028 hu wood color(A028胡木色)

6-inch [inner diameter 10.2*15.2]](6寸【内径10.2*15.2】) 7 inches [inner diameter 12.7*17.8]](7寸【内径12.7*17.8】) 8-inch inner diameter 15.2 * cm]](8寸内径15.2*20.3cm】) 10 inches [inner diameter 20.3*25.3]](10寸【内径20.3*25.3】) a4 [inner diameter 21 * cm]](A4【内径21*29.7cm】) large 12-inch inner diameter 25.3 * 30.3cm(大12寸内径25.3*30.3cm) a3 [inner diameter 29.7 * 42cm]](A3【内径29.7*42cm】) 16 inches [inner diameter 30.3 * cm]](16寸【内径30.3*40.5cm】) 8k [inner diameter 26.5 * 38cm]](8k【内径26.5*38cm】) 18 inches [inner diameter 35.3 * cm]](18寸【内径35.3*45.6cm】) 20 inches [inner diameter 40.4 * cm]](20寸【内径40.4*50.6cm】) 24 inches [inner diameter 40.5 * cm]](24寸【内径40.5*60.5cm】) [inner diameter 50 * 70cm]](【内径50*70cm】) 4k [inner diameter 38 * 53cm]](4k【内径38*53cm】) square 6-inch inner diameter 15.2 * 15.2cm(方6寸内径15.2*15.2cm) square 7-inch inner diameter 17.8 * 17.8cm(方7寸内径17.8*17.8cm) square 8-inch inner diameter 20.3 * 20.3cm(方8寸内径20.3*20.3cm) square 10-inch inner diameter 25.3*25.3]](方10寸内径25.3*25.3】) square 12-inch inner diameter 30 * 30cm(方12寸内径30*30cm) square 16-inch inner diameter 40.6*40.6]](方16寸内径40.6*40.6】) [inner diameter 33 * 33cm]](【内径33*33cm】) [inner diameter 38 * 38cm]](【内径38*38cm】) [inner diameter 45 * 45cm]](【内径45*45cm】) [inner diameter 50 * 50cm]](【内径50*50cm】) [inner diameter 55 * 55cm]](【内径55*55cm】) [inner diameter 60 * 60cm]](【内径60*60cm】)