... and adjustable collar makes for easy on-and-off. Neoprene Swimming suit Material:Nylon+SBR+NylonThickness2-3MMSize:6month-30monthProduction processFlat lock stitchZippernoneColor ... as per your requirementNeoprene Swimming suit Our company produce lines are Wetsuit, Surfing Suit, Lycra Guard Suit, Life Jacket, Immersion Suit, Wader, Hunting, Gloves, Shoes ...