Cute Retractable Box Cutters, 3Pcs Cloud Shaped for opening boxes, letters. They are working very well. They even have a keychain hole. 3 for $5.49 on Amazon, under $1 on Temu. Both linked below. Mini Art Cutter Utility Knife/ letter opener/ box cutters/ envelope slitter Halloween/Family Photos/Fall Shoes/Fall Outfits/Living Room/Jeans/Halloween Decor/Work Outfit/Boots/ Fall decor/ amazon gadgets/ amazon must haves/ LTKU primedaydeals LTKhome LTKxPrime LTKsalealert