Please kindly noted that this item is sold by third-party sellers from Joybuy marketplace. Please note, this item ships from an international seller. Expected delivery is 10-15 days. Hand Grip Strength Trainer Stress Ball for Adults and Children Hand Ball Features： These colorful fidget balls, relieve stress and train hands, forearms and wrists. For children and adults. shaped for a comfortable fit in your hands. Made of skin-safe thermoplastic rubber (TRP). Less messy than Therapy Putty. Easy to clean from and dirt. Preventing tension, increasing limberness and alleviating joint pain. Great stress relief toys for adults and kids. Perfect occupational distraction for quitting smoking. Grip muscle training for beginner lifters. Scroll down for hand grip exercise ideas! Material: TPR Dimensions: as shown Package content: 1x Grip ball