Epson 203YLBYPX heat shrink sleeves are in stock and have replaced 203B20BYPX and 203STBYPX 

• Inside diameter: 1/8” (3 mm) 
• Imprint Color: Black
• Material Color: Yellow
• AWG: 16-22
• Length: 98” (8 feet)
• Shrink Ratio: 3:1

Compatible with these printers:

Epson Labelworks LW-PX300
Epson Labelworks LW-PX350
Epson Labelworks LW-PX400
Epson Labelworks LW-PX700
Epson Labelworks LW-PX750
Epson Labelworks LW-PX800
Epson Labelworks LW-PX900

Epson Labelworks LW-Z5000PX
Epson Labelworks LW-Z5010PX

K-Sun Bee3
K-Sun 2001XLST
K-Sun 2011XLST
K-Sun 2012XLST
K-Sun 2020LSTB Green Machine  
K-Sun PEARLabel 270
K-Sun PEARLabel 360

Epson Heat Shrink Size Guide and Instruction Manual here

Epson Heat Shrink Technical Sheet specs here

Other sizes and colors include:

203YLBWPX (3mm 1/8"), 205STBWPX (5mm 3/16"), 208YLBWPX (8mm 1/4"), 210STBWPX-90 (10mm 3/8"), 211STBWPX (11mm 1/2"), 214STBWPX (14mm 9/16"), 221STBWPX (21mm 7/8") 

Black on Yellow, Black on Red, Black on Green, Black on Blue, White on Black

UPC 815407022971