These are insole pads for adjusting shoe size, purchased at DAISO. Some of them have been opened, but I ended up not using them. It's a waste, so please use them if you'd like (*^^*) DAISO Loose Shoe Size Adjustment Heel Pad, Slightly Thick Heel-Wrapping Pad Gel Insole for Heels, with Fabric Toe Cushion A 4-piece set of heel pads to enhance the cushioning of shoes. - Type: Heel Pad - Color: Black - Size: Free Size - Features: Cushioning, Non-slip function - Quantity: 4-piece set - Uses: Shoe cushioning, reduces foot fatigue - Brand: Daiso Thank you for looking.