Black & Mint Maternity Tank Set. Ensure you're never without a comfy, breathable base layer thanks to these stretch-infused, cotton-blend tanks that conform gently to your bump. Â Â Â Size note: This item is from a European brand. Please refer to the size chart for best fit. Â Includes one black and one mint tank 98% cotton / 2% elastane Machine wash; tumble dry Imported Shipping note: This item is shipping internationally. Allow extra time for its journey to you.