100% MONEY BACK GURANTEE if shaker has any production failure. For AURION customer satisfaction has highest priority AURION HAND WEIGHTS DUMBBELLS for strength endurance aerobic crossfit home gym training suitable for beginners and experienced user. Ideal to use at home gym studio class or use them as running weights. PVC WEIGHTS These hand weights are PVC dumbbells offer excellent non slip grip, Which heavily increase grip during long or running session. Good protection keeping the flooring from being damaged. They are one of the basic tools of the strength training trade and form part of millions of people’s workouts around the world on a regular basis. AURION WEIGHTS PVC DUMBBELLS are available in 1 X 2= 2kg , 2 X 2 = 4kg , 3 X 2 = 6kg , 4 X 2 = 8 kg , 5 X 2 = 10kg Comes in Boxed Packing.