The style of the GRP infill for the Stainless Steel Frame planters is only limited by your imagination. SIZES AVAILABLE ARE: SSFGRP1 = 800 x 380 x 380mm H  (trough) SSFGRP1 = 380 x 380 x 800mm H  (tall square) SSFGRP2 = 1000 x 450 x 450mm H  (trough) For all “circular” planters, sizes are listed as Diameter x Height. All “square” planters, sizes are listed as Length x Width x Height. All our GRP planters are suitable for indoor or outdoor use All our GRP planters are suitable for indoor or outdoor use SSFGRP2 = 450 x 450 x 1000mm H  (tall square) SSFGRP3 = 1000 x 350 x 350mm H  (trough) SSFGRP3 = 350 x 350 x 1000mm H  (tall square) Please note that these planters are not suitable for being placed near a source of salt water, (i.e. sea air). Please ask us to quote for marine grade stainless if required.