Mountain Buggy Twin Cocoon in BlackPerfect for parents of twins wanting a simple, lightweight, newborn solution that seamlessly clips on and off the buggy and for use as an off buggy lie flat sleep solution. Your twins can now continue their unique bond, and lie close together in one shared, safe and cosy environment enabling that same sense of togetherness they had in the womb. The Cocoon for twins pairs perfectly with nano duo, and is also compatible with duet and duet as a single.