Amazon.com: KingGo 9662 Copperplate H3 70x17 UHF tag RFID Adhesive Tag Inlay RFID Label-100pcs : Everything Else
Amazon.com: UHF RFID Tag Sample Pack - 24 Assorted Pieces : Office Products
Amazon.co.jp: Zerodis. 100pcs UHF RFID Tags RFID Labels Stickers Labels : Office Products
Amazon | Location Estimation in a 3D Environment using RFID Tags: Mutliple tag readers with known location and Concept of Trilateration is used to estimate the physical location of an individual tag
Amazon.co.jp: 10 Pack UHF RFID Tags Anti Interference Home Security : Industrial & Scientific
Amazon.com: UHF RFID Tag Impinj H47 True 3D Sticker 860-960MHZ Monza 4 915M EPC C1G2 ISO18000-6C can be Used to RFID tag and Label (Pack of 20) : Electronics
RFID Tag with Keychain (5 Pcs) : Amazon.in: Bags, Wallets and Luggage
After testing a few 125 KHz RFID tags from Amazon, I found these to be the best. (More in comments below) : r/flipperzero
Coin type 125KHZ RFID Card | EM RFID Tag Cards/size:25MM with Sticker 2PCS : Amazon.in: Industrial & Scientific