arena children's buoyancy vest Friends. The arena buoyancy vest Friends for small children from 15 kg to 30 kg is ideal as a buoyancy aid for swimming beginners. She's easy to dress up. The adjustable straps ensure optimal size adjustment. Equipped with a double locking system. The buoyancy aid is free from hazardous plasticizers and meets all NZ and EU safety standards. No protection against drowning. Only use under constant supervision. All components must be worn. Consider the child's weight, not age. Arena - Friends Swim Vest Kids purple