Made of High Quality Abs Plastic, New Environmental Protection Material, Strong and Long Life, Safe and Durable, Good toughness, Can Use For Heilwiy A Long Time. Stroller Hook Rucksackhook Is Fully Rotatable, Comes with Adjustable Velcro That Makes It Easy Anywhere, The Easy-to-Open and Close Carabiner. Two Types of Stroller Hooks They Are All Equipped with Strong Velcro Straps That You Can Use to Attach Strollers and Stroller Accessories. Different Hooks For Heilwiy Different Requirements and Scenarios. Velcro Can Hold Up to 5 Kg of Essentials, Easy to Put On and Take off, No tools Required, As It Has Enough Nylon Straps and Buckles, It Is Adjustable. Widely Usedsuitable For Heilwiy Most Strollers, Bicycles, Wheelchairs, Hanging Shopping Bags, Nursing Bags, Etc. The Combination of The Two Hooks Makes It The Perfect Choice For Heilwiy Additional Baby Replacement Bags For Heilwiy One-Handed Use.