The Essentials Collection from Sliquid Naturals. Sliquid Lube Cubes are carefully crafted selections of our most popular lubricants. Each Lube Cube from the Naturals line comes with 12 individual 5ml pillow packs, so you can try out a range of Sliquid products before choosing a larger bottle. The Lube Cubes are ideal for travel as well, being well under the limit for carry on items at the airport. The Essentials Lube Cube Contains 2 x Sliquid Naturals H2O Pillows 2 x Sliquid Naturals Sassy Pillows 2 x Sliquid Naturals Silk Pillows 2 x Sliquid Naturals Sea Pillows 2 x Sliquid Naturals Satin Pillows 2 x Sliquid Naturals Silver Pillows