Pack Of 5 square 1ltr Aquatic Planters. dimensions: 11 X 11 X 11cmour Aquatic Planters Are Perfect For Helping You Make Your Pond Look Natural & Colourful & Your Garden Ultimately Wildlife-friendly With Beautiful Pond Plants!this Pack Contains 5 Small Square Aquatic Planters, Which Are Ideal For Planting Small Pond-side & Marginal Plants, Such As Caltha Palustris (marsha Marigold), Preslia Cervina (water Spearmint) & Lysimachia Nummularia, Just To Name A Few.our Aquatic Planters Are Specifically Designed For Pond Planting In Various Sections Of The Pond, Including Under-water, Marginal & Pond-side Planting.black In Colour, Theyre Discreet When Submerged In The Water As Well As Positioned At The Pond-side, & Made From Recycled Plastic With Added Rubber, Theyre Flexible & Long-lasting Too.use With Aquatic Compost & Gravel.