Sodium Bentonite clay available in...
Kitsets Stainless Steel (3mm in 50 x 50 Aperture)
Gabions with aperture 50mm x 50mm (square) in 3mm diameter, marine grade stainless steel 316.
Gabion Cages listed by Length x Width x Height and are supplied as kitsets (flat packed) and include stiffener wires and either spirals or U clips. Cage sizes are measured at wire centres.