FeelinGirl 3 in 1 Postpartum Support Waist Trimmer Belt for Belly Recovery 80%Poliamida + 20%Elastalo Hand Wash.Easy put on and take off. Features:Three pieces design.Including Pelvis Belt,Stomach Belt,Belly Belt. Material: 80%Poliamida + 20%Elastalo You could take this waist trimmer belt for sports,working even at sleep! It would improve your figure unwittingly. High qualiy only sell by FeelinGirl Trademark. If offer by other sellers will be difference item. The quality is not the same Do not use default Amazon Size Chart. Choose size mainly based on your waistline measurement.If you are not sure about your size,please contact us with your bust,waist,length from shoulder to hem and hips measurement.